Result from onlinephp.io (link w/ code):
float(0.5350112915039062)
float(0.308990478515625)
float(0.5180835723876953)
float(0.2639293670654297)
float(0.5099773406982422)
float(0.2598762512207031)
Created
August 25, 2025 18:34
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PHP 8.4 -- Benchmark between `get_class()` vs `instanceof`.
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| <?php | |
| class ClassA {} | |
| class ClassB {} | |
| class ClassC {} | |
| function testGetClass() { | |
| $start = microtime(true); | |
| $obj = new ClassB(); | |
| $t = 0; | |
| for ($i = 0; $i < 10_000; $i++) { | |
| if (get_class($obj) === ClassA::class) { | |
| $t++; | |
| } else if (get_class($obj) === ClassB::class) { | |
| $t++; | |
| } else if (get_class($obj) === ClassC::class) { | |
| $t++; | |
| } else { | |
| $t++; | |
| } | |
| } | |
| return microtime(true) - $start; | |
| } | |
| function testInstanceOf() { | |
| $start = microtime(true); | |
| $obj = new ClassB(); | |
| $t = 0; | |
| for ($i = 0; $i < 10_000; $i++) { | |
| if ($obj instanceof ClassA) { | |
| $t++; | |
| } else if ($obj instanceof ClassB) { | |
| $t++; | |
| } else if ($obj instanceof ClassC) { | |
| $t++; | |
| } else { | |
| $t++; | |
| } | |
| } | |
| return microtime(true) - $start; | |
| } | |
| var_dump(testGetClass() * 1000); | |
| var_dump(testInstanceOf() * 1000); | |
| var_dump(testGetClass() * 1000); | |
| var_dump(testInstanceOf() * 1000); | |
| var_dump(testGetClass() * 1000); | |
| var_dump(testInstanceOf() * 1000); |
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