- Mine
- Sunday, March 18th, 2007 at 6:47:14pm MDT
- <?php
- $data = array("zoo", "orange", "car", "lemon", "apple");
- usort($data, function($a, $b) { return strcmp($a, $b); });
- var_dump($data);
- echo "\n";
- ?>
- outputs:
- array(5) {
- [0]=>
- string(5) "apple"
- [1]=>
- string(3) "car"
- [2]=>
- string(5) "lemon"
- [3]=>
- string(6) "orange"
- [4]=>
- string(3) "zoo"
- }
- Made possible with this patch:
- diff -u -p -r1.160.2.4.2.3 zend_language_parser.y
- --- zend_language_parser.y 10 Jan 2007 15:58:07 -0000 1.160.2.4.2.3
- +++ zend_language_parser.y 18 Mar 2007 23:28:08 -0000
- @@ -620,6 +620,29 @@ expr_without_variable:
- | T_ARRAY '(' array_pair_list ')' { $$ = $3; }
- | '`' encaps_list '`' { zend_do_shell_exec(&$$, &$2 TSRMLS_CC); }
- | T_PRINT expr { zend_do_print(&$$, &$2 TSRMLS_CC); }
- + | T_FUNCTION {
- + /* inline function declaration, its value is the function name */
- + char name[64];
- + int namelen;
- + static unsigned int anon_count;
- + namelen = zend_sprintf(name, "__zend_anon_%u", anon_count++);
- + $1.u.opline_num = CG(zend_lineno);
- + $$.op_type = IS_CONST;
- + $$.u.constant.type = IS_STRING;
- + $$.u.constant.value.str.val = estrdup(name);
- + $$.u.constant.value.str.len = namelen;
- + $$.u.constant.refcount = 1;
- + } is_reference { zend_do_begin_function_declaration(&$1, &$$, 0, $2.op_type, NULL TSRMLS_CC); }
- + '(' parameter_list ')' '{' inner_statement_list '}' {
- +
- + $$.op_type = IS_CONST;
- + $$.u.constant.type = IS_STRING;
- + $$.u.constant.value.str.val = estrdup(CG(active_op_array)->function_name);
- + $$.u.constant.value.str.len = strlen($$.u.constant.value.str.val);
- + $$.u.constant.refcount = 1;
- + zend_do_end_function_declaration(&$1 TSRMLS_CC);
- + }
- +
- ;
- function_call:
- Index: zend_compile.c
- ===================================================================
- RCS file: /repository/ZendEngine2/zend_compile.c,v
- retrieving revision 1.647.2.27.2.32
- diff -u -p -r1.647.2.27.2.32 zend_compile.c
- --- zend_compile.c 12 Mar 2007 13:10:40 -0000 1.647.2.27.2.32
- +++ zend_compile.c 19 Mar 2007 00:46:44 -0000
- @@ -2339,6 +2339,12 @@ ZEND_API int do_bind_function(zend_op *o
- if (zend_hash_find(function_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, (void *) &function)==SUCCESS
- && function->type==ZEND_USER_FUNCTION
- && ((zend_op_array *) function)->last>0) {
- +
- + if (!memcmp(opline->op2.u.constant.value.str.val, "__zend_anon_", sizeof("__zend_anon_")-1)) {
- + (*function->op_array.refcount)++;
- + function->op_array.static_variables = NULL; /* NULL out the unbound function */
- + return SUCCESS;
- + }
- zend_error(error_level, "Cannot redeclare %s() (previously declared in %s:%d)",
- opline->op2.u.constant.value.str.val,
- ((zend_op_array *) function)->filename,
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