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<?php class StringLike { public $value; public function __construct($value) { $this->value = $value; } public function __toString() { return $this->value; } } $haystack = new StringLike('foo'); $needle = 'o'; echo mb_strlen($haystack), "\n"; echo mb_strpos($haystack, $needle), "\n"; $haystack = 123; $needle = 2; echo mb_strlen($haystack), "\n"; echo mb_strpos($haystack, $needle), "\n"; $haystack = null; $needle = 'bar'; echo mb_strlen($haystack), "\n"; echo mb_strpos($haystack, $needle), "\n";
Output for git.master, git.master_jit, rfc.property-hooks
3 1 3 1 Deprecated: mb_strlen(): Passing null to parameter #1 ($string) of type string is deprecated in /in/bh9aV on line 30 0 Deprecated: mb_strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /in/bh9aV on line 31

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