privatefunctioncheckAliases($column){if(Strings::contains($column,".")) {return$column; }returncurrent($this->data_source->getRootAliases()) .'.'. $column; } 开发者ID:OCC2,项目名称:occ2pacs,代码行数:7,代码来源:DoctrineDataSource.php 示例3: setDefaultDueDate ▲点赞 3▼ publicfunctionset...
在上面的示例中,我们搜索字符串'Hello, world!'中是否包含子串'world'。由于这个子串在字符串中出现过,所以strpos函数的返回值不是false。因此,输出的结果是String contains search string。 检查字符串是否以某个子串开头 $str='Hello, world!';$search='Hello';if(strpos($str,$search)===0){echo'String st...
If the string contains spaces, then @Jack's answer will not provide accurate result. e.g. $var = '19 '; if((string)(int)$var == $var) { echo 'var is an integer or a string representation of an integer'; } The above string will not be an int according to the above check. ...
To determine whether a string contains another string you can use the PHP function strpos(). int strpos ( string $haystack , mixed $needle [, int $offset = 0 ] )` <?php $haystack = 'how are you'; $needle = 'are'; if (strpos($haystack,$needle) !== false) { echo "$hay...
正则表达式要求检查字符串中是否有任何字符。您可以在这里阅读更多相关信息：http://en.wikipedia.org/...
<?php$mystring="This is a PHP program.";if(strpos($mystring,"PHP",13)!==false){echo("True");}else{echo("False");}?> Output: False The output has shownFalsebecause the string that we searched was before the offset. Use thepreg_match()Function to Check if a String Contains a Su...
When used to check if a PHP string contains a substring all three methods return an index between 0 to n-1 and return false if the substring is not found. However, given that 0 is also a falsy value, remember to use the identical or not identical operator === or !== and not the...
( $args_to_check as $qv ) { if ( ! isset( $parsed_query[ $qv ] ) ) { $query_string = remove_query_arg( $qv, $query_string ); } } } else { $query_string = remove_query_arg( $args_to_check, $query_string ); } return $query_string; } /** * Strips the #fragment ...
timeout number of seconds for checking * @return bool */ function domain_online_check(string $domain, int $port = 80, int $timeout=2):bool { // check if $url is include / if (str_contains($domain,'/')) { $arr = get_domain_port_by_url($domain); $domain = $arr['domain']...
The str_contains function checks whether a string is contained in another string. The str_starts_with and str_ends_with functions are used for determining if a string starts or ends with a specific substring. The 'str*' calls can be replaced with PHP 8 'str_*' calls inspection highlights...