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<?php
/**
* A class of utilities for dealing with strings.
*/
namespace Automattic\WooCommerce\Utilities;
/**
* A class of utilities for dealing with strings.
*/
final class StringUtil {
/**
* Checks to see whether or not a string starts with another.
*
* @param string $string The string we want to check.
* @param string $starts_with The string we're looking for at the start of $string.
* @param bool $case_sensitive Indicates whether the comparison should be case-sensitive.
*
* @return bool True if the $string starts with $starts_with, false otherwise.
*/
public static function starts_with( string $string, string $starts_with, bool $case_sensitive = true ): bool {
$len = strlen( $starts_with );
if ( $len > strlen( $string ) ) {
return false;
}
$string = substr( $string, 0, $len );
if ( $case_sensitive ) {
return strcmp( $string, $starts_with ) === 0;
}
return strcasecmp( $string, $starts_with ) === 0;
}
/**
* Checks to see whether or not a string ends with another.
*
* @param string $string The string we want to check.
* @param string $ends_with The string we're looking for at the end of $string.
* @param bool $case_sensitive Indicates whether the comparison should be case-sensitive.
*
* @return bool True if the $string ends with $ends_with, false otherwise.
*/
public static function ends_with( string $string, string $ends_with, bool $case_sensitive = true ): bool {
$len = strlen( $ends_with );
if ( $len > strlen( $string ) ) {
return false;
}
$string = substr( $string, -$len );
if ( $case_sensitive ) {
return strcmp( $string, $ends_with ) === 0;
}
return strcasecmp( $string, $ends_with ) === 0;
}
/**
* Checks if one string is contained into another at any position.
*
* @param string $string The string we want to check.
* @param string $contained The string we're looking for inside $string.
* @param bool $case_sensitive Indicates whether the comparison should be case-sensitive.
* @return bool True if $contained is contained inside $string, false otherwise.
*/
public static function contains( string $string, string $contained, bool $case_sensitive = true ): bool {
if ( $case_sensitive ) {
return false !== strpos( $string, $contained );
} else {
return false !== stripos( $string, $contained );
}
}
/**
* Get the name of a plugin in the form 'directory/file.php', as in the keys of the array returned by 'get_plugins'.
*
* @param string $plugin_file_path The path of the main plugin file (can be passed as __FILE__ from the plugin itself).
* @return string The name of the plugin in the form 'directory/file.php'.
*/
public static function plugin_name_from_plugin_file( string $plugin_file_path ): string {
return basename( dirname( $plugin_file_path ) ) . DIRECTORY_SEPARATOR . basename( $plugin_file_path );
}
}