note 124305 added to language.operators.arithmetic
| From: | vike2000 at gmail dot com | Date: | Fri, 18 Oct 2019 01:20:58 +0000 |
| Subject: | note 124305 added to language.operators.arithmetic | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-212663@lists.php.net to get a copy of this message | ||
With % (modulo), it looks like php uses the C operator (apart from some sanity-checks), according to
following
awk command, getting the relevant lines of arbitrary commits (dbb462db5d and
04d5086578 for me) in github.com/php/php-src:
$ awk '!F[0]&&/expr '\''%'\'' expr/{p()}
!F[0]&&/case ZEND_MOD/{p();F[0]=1;F[1]="return"}
!F[0]&&/mod_function\(.*\)/{p();F[0]=2;F[1]="ZVAL_LONG"} '$(: function p for
printing and array F for finding in files follows: )'
F[0]&&match($0,F[1])&&1==F[0]--{p();delete F;nextfile}function p(){print
FILENAME":"FNR":\t"$0}' Zend/zend_{language_parser.y,{opcode,operators}.c}
Zend/zend_language_parser.y:939: | expr '%' expr { $$ =
zend_ast_create_binary_op(ZEND_MOD, $1, $3); }
Zend/zend_opcode.c:1042: case ZEND_MOD:
Zend/zend_opcode.c:1043: return (binary_op_type) mod_function;
Zend/zend_operators.c:1333: ZEND_API int ZEND_FASTCALL mod_function(zval *result, zval *op1, zval
*op2) /* {{{ */
Zend/zend_operators.c:1362: ZVAL_LONG(result, op1_lval % op2_lval);
----
Server IP: 208.43.231.9
Probable Submitter: 185.85.3.195 (proxied: 188.148.206.216)
----
Manual Page -- http://php.net/manual/en/language.operators.arithmetic.php
Edit -- https://master.php.net/note/edit/124305
Del: integrated -- https://master.php.net/note/delete/124305/integrated
Del: useless -- https://master.php.net/note/delete/124305/useless
Del: bad code -- https://master.php.net/note/delete/124305/bad+code
Del: spam -- https://master.php.net/note/delete/124305/spam
Del: non-english -- https://master.php.net/note/delete/124305/non-english
Del: in docs -- https://master.php.net/note/delete/124305/in+docs
Del: other reasons-- https://master.php.net/note/delete/124305
Reject -- https://master.php.net/note/reject/124305
Search -- https://master.php.net/manage/user-notes.php