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Hello PHP EN Documentation team, There are contributions within the online editor queue for this language. Please review, then commit or delete these patches. Patches for review : ----------------------- Modified: en/internals2/opcodes.xml By: anonymous on 2013-10-30 18:19:19 =================================================================== --- en/internals2/opcodes.xml +++ en/internals2/opcodes.xml @@ -125,7 +125,7 @@ <row><entry>98</entry><entry><xref linkend="internals2.opcodes.fetch-dim-tmp-var"/></entry><entry>yes</entry></row> <row><entry>99</entry><entry><xref linkend="internals2.opcodes.fetch-constant"/></entry><entry>yes</entry></row> <row><entry>100</entry><entry><xref linkend="internals2.opcodes.goto"/></entry><entry>no</entry></row> - <row><entry>101</entry><entry><xref linkend="internals2.opcodes.ext-stmt"/></entry><entry>no</entry></row> + <row><entry>101</entry><entry><xref linkend="internals2.opcodes.ext-stmt"/></entry><entry>yes</entry></row> <row><entry>102</entry><entry><xref linkend="internals2.opcodes.ext-fcall-begin"/></entry><entry>no</entry></row> <row><entry>103</entry><entry><xref linkend="internals2.opcodes.ext-fcall-end"/></entry><entry>no</entry></row> <row><entry>104</entry><entry><xref linkend="internals2.opcodes.ext-nop"/></entry><entry>no</entry></row> => Put this change into your patches : https://edit.php.net/?project=php&action=putIntoMyPatches&idDB=50837 => Delete this change: https://edit.php.net/?project=php&action=deleteThisChange&idDB=50837 ------------------------------------------------------------------ Modified: en/internals2/opcodes/ext-stmt.xml By: anonymous on 2013-10-30 18:19:20 =================================================================== --- en/internals2/opcodes/ext-stmt.xml +++ en/internals2/opcodes/ext-stmt.xml @@ -10,9 +10,40 @@ /* * * opcode number: 101 - * No sample PHP yet */ + */ ?> ]]> </programlisting> </section> + <section xml:id="internals2.opcodes.ext-stmt.listing"> + <title>PHP opcodes</title> + <simpara>Function name: (null)</simpara> + <simpara>Compiled variables: none </simpara> + <informaltable> + <tgroup cols="7"> + <thead> + <row> + <entry>line</entry><entry>#</entry><entry>op</entry> + <entry>fetch</entry><entry>ext</entry><entry>return</entry> + <entry>operands</entry> + </row> + </thead> + <tbody> + <row> + <entry>7</entry><entry>0</entry> + <entry>EXT_STMT</entry><entry></entry> + <entry></entry><entry></entry> + <entry></entry> + </row> + <row> + <entry>8</entry><entry>1</entry> + <entry>RETURN</entry><entry></entry> + <entry></entry><entry></entry> + <entry>1</entry> + </row> + </tbody> + </tgroup> + </informaltable> + </section> + </section> No newline at end of file => Put this change into your patches : https://edit.php.net/?project=php&action=putIntoMyPatches&idDB=50838 => Delete this change: https://edit.php.net/?project=php&action=deleteThisChange&idDB=50838 ------------------------------------------------------------------ Modified: en/reference/math/functions/max.xml By: Rowan Collins on 2013-11-17 06:51:47 =================================================================== --- en/reference/math/functions/max.xml +++ en/reference/math/functions/max.xml @@ -24,12 +24,11 @@ </para> <note> <para> - PHP will evaluate a non-numeric <type>string</type> as - <literal>0</literal> if compared to <type>integer</type>, but still return the string if it's seen as the - numerically highest value. If multiple arguments evaluate to - <literal>0</literal>, <function>max</function> will return a numeric - <literal>0</literal> if given, else the alphabetical highest string - value will be returned. + Values of different types will be compared using the <link linkend="language.operators.comparison"> + standard comparison rules</link>. For instance, a non-numeric <type>string</type> will be + compared to an <type>integer</type> as though it were <literal>0</literal>, but multiple + <type>string</type> values will be compared alphanumerically. The actual value returned will be of the + original type with no conversion applied. </para> </note> </refsect1> @@ -78,19 +77,9 @@ <refsect1 role="returnvalues"> &reftitle.returnvalues; <para> - <function>max</function> returns the numerically highest of the - parameter values. If multiple values can be considered of the same size, - the one that is listed first will be returned. - </para> - <para> - When <function>max</function> is given multiple <type>array</type>s, the - longest array is returned. If all the arrays have the same length, - <function>max</function> will use lexicographic ordering to find the return - value. - </para> - <para> - When given a <type>string</type> it will be cast as an <type>integer</type> - when comparing. + <function>max</function> returns the parameter value considered "highest" according to standard + comparisons. If multiple values of different types evaluate as equal (e.g. <literal>0</literal> + and <literal>'abc'</literal>) the first provided to the function will be returned. </para> </refsect1> <refsect1 role="examples"> @@ -101,29 +90,36 @@ <programlisting role="php"> <![CDATA[ <?php -echo max(1, 3, 5, 6, 7); // 7 +echo max(2, 3, 1, 6, 7); // 7 echo max(array(2, 4, 5)); // 5 -// When 'hello' is cast as integer it will be 0. Both the parameters are equally -// long, so the order they are given in determines the result +// The string 'hello' when compared to an int is treated as 0 +// Since the two values are equal, the order they are provided determines the result echo max(0, 'hello'); // 0 echo max('hello', 0); // hello -echo max('42', 3); // '42' - -// Here 0 > -1, so 'hello' is the return value. -echo max(-1, 'hello'); // hello +// Here we are comparing -1 < 0, so 'hello' is the highest value +echo max('hello', -1); // hello // With multiple arrays of different lengths, max returns the longest $val = max(array(2, 2, 2), array(1, 1, 1, 1)); // array(1, 1, 1, 1) -// With multiple arrays of the same length, max compares from left to right -// using lexicographic order, so in our example: 2 == 2, but 4 < 5 -$val = max(array(2, 4, 8), array(2, 5, 7)); // array(2, 5, 7) +// Multiple arrays of the same length are compared from left to right +// so in our example: 2 == 2, but 5 > 4 +$val = max(array(2, 4, 8), array(2, 5, 1)); // array(2, 5, 1) -// If both an array and non-array are given, the array -// is always returned as it's seen as the largest +// If both an array and non-array are given, the array will be returned +// as comparisons treat arrays as greater than any other value $val = max('string', array(2, 5, 7), 42); // array(2, 5, 7) + +// If one argument is NULL or a boolean, it will be compared against +// other values using the rule FALSE < TRUE regardless of the other types involved +// In the below examples, -10 is treated as TRUE in the comparison +$val = max(-10, FALSE); // -10 +$val = max(-10, FALSE); // -10 + +// 0, on the other hand, is treated as FALSE, so is "lower than" TRUE +$val = max(0, TRUE); // TRUE ?> ]]> </programlisting> => Put this change into your patches : https://edit.php.net/?project=php&action=putIntoMyPatches&idDB=50965 => Delete this change: https://edit.php.net/?project=php&action=deleteThisChange&idDB=50965 ------------------------------------------------------------------ Modified: en/reference/math/functions/min.xml By: Rowan Collins on 2013-11-17 06:51:49 =================================================================== --- en/reference/math/functions/min.xml +++ en/reference/math/functions/min.xml @@ -24,12 +24,11 @@ </para> <note> <para> - PHP will evaluate a non-numeric <type>string</type> as - <literal>0</literal> if compared to <type>integer</type>, but still return the string if it's seen as the - numerically lowest value. If multiple arguments evaluate to - <literal>0</literal>, <function>min</function> will return the lowest - alphanumerical string value if any strings are given, else a numeric - <literal>0</literal> is returned. + Values of different types will be compared using the <link linkend="language.operators.comparison"> + standard comparison rules</link>. For instance, a non-numeric <type>string</type> will be + compared to an <type>integer</type> as though it were <literal>0</literal>, but multiple + <type>string</type> values will be compared alphanumerically. The actual value returned will be of the + original type with no conversion applied. </para> </note> </refsect1> @@ -78,8 +77,9 @@ <refsect1 role="returnvalues"> &reftitle.returnvalues; <para> - <function>min</function> returns the numerically lowest of the - parameter values. + <function>min</function> returns the parameter value considered "lowest" according to standard + comparisons. If multiple values of different types evaluate as equal (e.g. <literal>0</literal> + and <literal>'abc'</literal>) the first provided to the function will be returned. </para> </refsect1> <refsect1 role="examples"> @@ -93,32 +93,33 @@ echo min(2, 3, 1, 6, 7); // 1 echo min(array(2, 4, 5)); // 2 +// The string 'hello' when compared to an int is treated as 0 +// Since the two values are equal, the order they are provided determines the result echo min(0, 'hello'); // 0 echo min('hello', 0); // hello + +// Here we are comparing -1 < 0, so -1 is the lowest value echo min('hello', -1); // -1 -// With multiple arrays, min compares from left to right +// With multiple arrays of different lengths, min returns the shortest +$val = min(array(2, 2, 2), array(1, 1, 1, 1)); // array(2, 2, 2) + +// Multiple arrays of the same length are compared from left to right // so in our example: 2 == 2, but 4 < 5 $val = min(array(2, 4, 8), array(2, 5, 1)); // array(2, 4, 8) -// If both an array and non-array are given, the array -// is never returned as it's considered the largest +// If both an array and non-array are given, the array is never returned +// as comparisons treat arrays as greater than any other value $val = min('string', array(2, 5, 7), 42); // string -?> -]]> - </programlisting> - </example> - </para> - <para> - <example> - <title>Example of NULL/FALSE value with <function>min</function></title> - <programlisting role="php"> -<![CDATA[ -<?php -// PHP compares variable as boolean when one of operand is boolean. -var_dump(min(-100,-10, NULL, 10, 100); // NULL - (bool)NULL < (bool)-100 is FALSE < TRUE -var_dump(min(-100,-10, FALSE, 10, 100); // FALSE - (bool)FALSE < (bool)-100 is FALSE < TRUE +// If one argument is NULL or a boolean, it will be compared against +// other values using the rule FALSE < TRUE regardless of the other types involved +// In the below examples, both -10 and 10 are treated as TRUE in the comparison +$val = min(-10, FALSE, 10); // FALSE +$val = min(-10, NULL, 10); // NULL + +// 0, on the other hand, is treated as FALSE, so is "lower than" TRUE +$val = min(0, TRUE); // 0 ?> ]]> </programlisting> => Put this change into your patches : https://edit.php.net/?project=php&action=putIntoMyPatches&idDB=50964 => Delete this change: https://edit.php.net/?project=php&action=deleteThisChange&idDB=50964 ------------------------------------------------------------------ -- https://edit.php.net/ This email is send automatically by the Php Docbook Online Editor.