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<?php class Reference { function __construct($value) { $this->value = $value; } function startsWith($something, $start = 0) { if (mt_rand() % 2) { return strpos($this->value, $something) === $start; } else { return substr($this->value, $start, strlen($something)) == $something; } } } $subject = new Reference("AWB012345"); $result = $subject->startsWith("AWB0"); var_dump($result); $subject = new Reference("12345"); $result = $subject->startsWith("AWB0"); var_dump($result);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0 - 7.3.1
bool(true) bool(false)
Output for 4.3.0, 4.3.2, 4.3.6 - 4.3.7, 4.3.9, 4.3.11, 4.4.2, 4.4.6, 4.4.9
Notice: Undefined property: value in /in/rrQuc on line 10 bool(false) Notice: Undefined property: value in /in/rrQuc on line 13 bool(false)
Output for 4.3.5, 4.3.10, 4.4.8
Notice: Undefined property: value in /in/rrQuc on line 10 bool(false) Notice: Undefined property: value in /in/rrQuc on line 10 bool(false)
Output for 4.3.4, 4.3.8, 4.4.0, 4.4.7
Notice: Undefined property: value in /in/rrQuc on line 13 bool(false) Notice: Undefined property: value in /in/rrQuc on line 10 bool(false)
Output for 4.3.1, 4.3.3, 4.4.1, 4.4.3 - 4.4.5
Notice: Undefined property: value in /in/rrQuc on line 13 bool(false) Notice: Undefined property: value in /in/rrQuc on line 13 bool(false)

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153.06 ms | 402 KiB | 232 Q