From: Andrey Hristov <andrey@php.net>
Date: Mon, 10 May 1999 21:10:48 +0000 (+0000)
Subject: Added in_array() function.
X-Git-Tag: BEFORE_PHP4_APACHE_MODULE_CHANGE~71
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d7ed9c14559c4c84788630b1fb74ccb483e7ee03;p=php

Added in_array() function.
---

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 0e0c2cb80e..cc87ababcb 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -294,6 +294,7 @@ function_entry basic_functions[] = {
 	{"setcookie",		php3_SetCookie,		NULL},
 	{"header",			php3_Header,		NULL},
 	PHP_FE(function_exists,				NULL)
+	PHP_FE(in_array,					NULL)
 	PHP_FE(extract,						NULL)
 
 	{NULL, NULL, NULL}
@@ -2185,6 +2186,50 @@ PHP_FUNCTION(function_exists)
 /* }}} */
 
 
+/* {{{ proto bool in_array(array haystack, mixed needle)
+   Checks if the given value exists in the array */
+PHP_FUNCTION(in_array)
+{
+	zval *value,				/* value to check for */
+		 *array,				/* array to check in */
+		 **entry_ptr,			/* pointer to array entry */
+		 *entry,				/* actual array entry */
+		  res;					/* comparison result */
+	HashTable *target_hash;		/* array hashtable */
+
+	if (ARG_COUNT(ht) != 2 || getParameters(ht, 2, &value, &array) == FAILURE) {
+		WRONG_PARAM_COUNT;
+	}
+	
+	if (value->type == IS_ARRAY || value->type == IS_OBJECT) {
+		zend_error(E_WARNING, "Wrong datatype for first argument in call to in_array()");
+		return;
+	}
+	
+	if (array->type != IS_ARRAY) {
+		zend_error(E_WARNING, "Wrong datatype for second argument in call to in_array()");
+		return;
+	}
+
+	target_hash = HASH_OF(array);
+	zend_hash_internal_pointer_reset(target_hash);
+	while(zend_hash_get_current_data(target_hash, (void **)&entry_ptr) == SUCCESS) {
+		entry = *entry_ptr;
+		if (entry->type == IS_STRING && entry->value.str.val == undefined_variable_string)
+			continue;
+     	is_equal_function(&res, value, entry);
+		if (zval_is_true(&res)) {
+			RETURN_TRUE;
+		}
+		
+		zend_hash_move_forward(target_hash);
+	}
+	
+	RETURN_FALSE;
+}
+/* }}} */
+
+
 /* {{{ int _valid_var_name(char *varname) */
 static int _valid_var_name(char *varname)
 {
diff --git a/ext/standard/basic_functions.h b/ext/standard/basic_functions.h
index 4eba444309..675c7ccda0 100644
--- a/ext/standard/basic_functions.h
+++ b/ext/standard/basic_functions.h
@@ -119,6 +119,7 @@ PHP_FUNCTION(define);
 PHP_FUNCTION(defined);
 
 PHP_FUNCTION(function_exists);
+PHP_FUNCTION(in_array);
 PHP_FUNCTION(extract);
 
 #if HAVE_PUTENV