$string = “This is a test string”; $substring = “test”; if (strpos($string, $substring) !== false) { echo “The string contains the substring.”; } else { echo “The string does not contain the substring.”;
echo “The string contains the substring.”; } else { echo “The string does not contain the substring.”; } “` 2. 操作流程如下: – 首先,定义一个包含指定字段的字符串,如$string = “This is a string contains substring”; – 然后,定义要判断的字段,如$substring = “contains”; – 使用...
Discover multiple methods for checking if a substring exists within a PHP string. Explore efficient techniques for substring detection now!
substr()Returns a part of a string substr_compare()Compares two strings from a specified start position (binary safe and optionally case-sensitive) substr_count()Counts the number of times a substring occurs in a string substr_replace()Replaces a part of a string with another string ...
The function returns a part of a string. The first parameter is the specified string. The second parameter is the start of the substring. The third parameter is optional. It is the length of the returned substring. The default is to the return until the end of the string. ...
)//Returns an array of strings, each of which is a substring of string formed by splitting it on boundaries formed by the string delimiter.//此函数返回由字符串组成的数组,每个元素都是 string 的一个子串,它们被字符串 delimiter 作为边界点分割出来。
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...
getBit - Returns the bit value at offset in the string value stored at key getRange - Get a substring of the string stored at a key getSet - Set the string value of a key and return its old value incr, incrBy - Increment the value of a key incrByFloat - Increment the float value...
PREG_OFFSET_CAPTURE- When this option is enabled, each match, instead of being a string, will be an array where the first element is a substring containing the match and the second element is the position of the first character of the substring in the input. ...
; the same string for all web servers running the same application, ; the database pool must be configured, and the connection string must ; specify to use a pooled server. ;oci8.connection_class = ; High Availability: Using On lets PHP receive Fast Application ...