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run code in 150+ php & hhvm versions
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<?php class NonEmptySetter { public function __set($name, $value) { $this->{$name} = $value; } } class EmptySetter { public function __set($name, $value) {} } function benchmark($obj) { $start_time = microtime(TRUE); for ($i = 0; $i < 1000000; $i++) { $obj->foo = 42; } return microtime(TRUE) - $start_time; } printf("NonEmptySetter: %.2f seconds\n", benchmark(new NonEmptySetter)); printf("EmptySetter: %.2f seconds\n", benchmark(new EmptySetter));
Output for 7.0.2, 7.1.0
NonEmptySetter: 0.03 seconds EmptySetter: 0.10 seconds
Output for 7.0.14
NonEmptySetter: 0.03 seconds EmptySetter: 0.11 seconds
Output for 7.0.0 - 7.0.1, 7.0.6, 7.0.8
NonEmptySetter: 0.02 seconds EmptySetter: 0.09 seconds
Output for 7.0.7
NonEmptySetter: 0.02 seconds EmptySetter: 0.11 seconds
Output for 7.0.3 - 7.0.5
NonEmptySetter: 0.02 seconds EmptySetter: 0.10 seconds
Output for hhvm-3.12.0
NonEmptySetter: 0.10 seconds EmptySetter: 0.15 seconds
Output for hhvm-3.10.0
NonEmptySetter: 0.11 seconds EmptySetter: 0.17 seconds
Output for 5.6.28
NonEmptySetter: 0.10 seconds EmptySetter: 0.22 seconds
Output for 5.4.10, 5.5.2 - 5.5.3, 5.5.5 - 5.5.6, 5.6.10, 5.6.12 - 5.6.13, 5.6.16 - 5.6.18, 5.6.20, 5.6.23
NonEmptySetter: 0.06 seconds EmptySetter: 0.20 seconds
Output for 5.4.0, 5.4.29, 5.4.43, 5.5.16, 5.5.27 - 5.5.28, 5.5.34, 5.6.0 - 5.6.3, 5.6.9, 5.6.22
NonEmptySetter: 0.07 seconds EmptySetter: 0.20 seconds
Output for 5.6.21
NonEmptySetter: 0.06 seconds EmptySetter: 0.26 seconds
Output for 5.5.32, 5.6.5, 5.6.11, 5.6.19
NonEmptySetter: 0.08 seconds EmptySetter: 0.21 seconds
Output for 5.6.7, 5.6.15
NonEmptySetter: 0.07 seconds EmptySetter: 0.21 seconds
Output for 5.4.15, 5.4.17, 5.4.23, 5.4.28, 5.4.45, 5.5.14, 5.5.18, 5.5.25, 5.5.33, 5.6.8, 5.6.14
NonEmptySetter: 0.08 seconds EmptySetter: 0.20 seconds
Output for 5.4.5, 5.4.16, 5.4.19, 5.4.22, 5.4.30, 5.4.34, 5.4.39, 5.4.44, 5.5.0, 5.5.4, 5.5.7, 5.5.15, 5.5.19, 5.5.29, 5.5.35 - 5.5.37, 5.6.6
NonEmptySetter: 0.06 seconds EmptySetter: 0.19 seconds
Output for 5.6.4
NonEmptySetter: 0.08 seconds EmptySetter: 0.23 seconds
Output for 5.5.11, 5.5.31
NonEmptySetter: 0.07 seconds EmptySetter: 0.18 seconds
Output for 5.4.3 - 5.4.4, 5.4.31 - 5.4.32, 5.4.35 - 5.4.36, 5.4.40, 5.5.22 - 5.5.24, 5.5.30
NonEmptySetter: 0.07 seconds EmptySetter: 0.19 seconds
Output for 5.4.41, 5.5.26
NonEmptySetter: 0.06 seconds EmptySetter: 0.21 seconds
Output for 5.4.9, 5.4.13, 5.4.25 - 5.4.26, 5.5.8 - 5.5.9, 5.5.12 - 5.5.13, 5.5.20 - 5.5.21
NonEmptySetter: 0.05 seconds EmptySetter: 0.17 seconds
Output for 5.4.11 - 5.4.12, 5.4.24, 5.5.10
NonEmptySetter: 0.05 seconds EmptySetter: 0.18 seconds
Output for 5.5.1
NonEmptySetter: 0.09 seconds EmptySetter: 0.22 seconds
Output for 5.4.1, 5.4.6 - 5.4.7, 5.4.14, 5.4.38, 5.4.42
NonEmptySetter: 0.05 seconds EmptySetter: 0.19 seconds
Output for 5.4.37
NonEmptySetter: 0.09 seconds EmptySetter: 0.20 seconds
Output for 5.4.21, 5.4.27
NonEmptySetter: 0.08 seconds EmptySetter: 0.19 seconds
Output for 5.4.20
NonEmptySetter: 0.06 seconds EmptySetter: 0.16 seconds
Output for 5.4.18
NonEmptySetter: 0.06 seconds EmptySetter: 0.18 seconds
Output for 5.4.2, 5.4.8
NonEmptySetter: 0.04 seconds EmptySetter: 0.15 seconds
Output for 5.3.22, 5.3.24, 5.3.29
NonEmptySetter: 0.07 seconds EmptySetter: 0.27 seconds
Output for 5.3.0, 5.3.2, 5.3.14 - 5.3.15, 5.3.28
NonEmptySetter: 0.10 seconds EmptySetter: 0.29 seconds
Output for 5.3.6, 5.3.27
NonEmptySetter: 0.09 seconds EmptySetter: 0.29 seconds
Output for 5.3.5, 5.3.8, 5.3.26
NonEmptySetter: 0.08 seconds EmptySetter: 0.29 seconds
Output for 5.3.3, 5.3.10, 5.3.25
NonEmptySetter: 0.07 seconds EmptySetter: 0.29 seconds
Output for 5.3.23
NonEmptySetter: 0.08 seconds EmptySetter: 0.30 seconds
Output for 5.3.21
NonEmptySetter: 0.07 seconds EmptySetter: 0.26 seconds
Output for 5.3.17, 5.3.20
NonEmptySetter: 0.05 seconds EmptySetter: 0.24 seconds
Output for 5.3.13, 5.3.16, 5.3.18 - 5.3.19
NonEmptySetter: 0.07 seconds EmptySetter: 0.25 seconds
Output for 5.3.12
NonEmptySetter: 0.06 seconds EmptySetter: 0.24 seconds
Output for 5.3.1, 5.3.4, 5.3.9, 5.3.11
NonEmptySetter: 0.10 seconds EmptySetter: 0.30 seconds
Output for 5.3.7
NonEmptySetter: 0.09 seconds EmptySetter: 0.30 seconds
Output for 5.2.11, 5.2.17
NonEmptySetter: 0.09 seconds EmptySetter: 0.34 seconds
Output for 5.2.16
NonEmptySetter: 0.09 seconds EmptySetter: 0.38 seconds
Output for 5.1.1, 5.2.15
NonEmptySetter: 0.12 seconds EmptySetter: 0.38 seconds
Output for 5.2.1, 5.2.3, 5.2.12 - 5.2.14
NonEmptySetter: 0.11 seconds EmptySetter: 0.37 seconds
Output for 5.2.9 - 5.2.10
NonEmptySetter: 0.08 seconds EmptySetter: 0.33 seconds
Output for 5.2.4, 5.2.8
NonEmptySetter: 0.10 seconds EmptySetter: 0.37 seconds
Output for 5.2.7
NonEmptySetter: 0.12 seconds EmptySetter: 0.39 seconds
Output for 5.2.6
NonEmptySetter: 0.10 seconds EmptySetter: 0.36 seconds
Output for 5.2.2, 5.2.5
NonEmptySetter: 0.09 seconds EmptySetter: 0.37 seconds
Output for 5.2.0
NonEmptySetter: 0.10 seconds EmptySetter: 0.39 seconds
Output for 5.1.6
NonEmptySetter: 0.13 seconds EmptySetter: 0.37 seconds
Output for 5.1.5
NonEmptySetter: 0.11 seconds EmptySetter: 0.38 seconds
Output for 5.1.0, 5.1.4
NonEmptySetter: 0.12 seconds EmptySetter: 0.35 seconds
Output for 5.1.3
NonEmptySetter: 0.13 seconds EmptySetter: 0.36 seconds
Output for 5.1.2
NonEmptySetter: 0.13 seconds EmptySetter: 0.35 seconds
Output for 5.0.5
NonEmptySetter: 0.18 seconds EmptySetter: 0.50 seconds
Output for 5.0.2, 5.0.4
NonEmptySetter: 0.21 seconds EmptySetter: 0.50 seconds
Output for 5.0.3
NonEmptySetter: 0.19 seconds EmptySetter: 0.46 seconds
Output for 5.0.1
NonEmptySetter: 0.18 seconds EmptySetter: 0.46 seconds
Output for 5.0.0
NonEmptySetter: 0.17 seconds EmptySetter: 0.47 seconds
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XbFH3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/XbFH3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/XbFH3 on line 3
Process exited with code 255.