3v4l.org

run code in 300+ PHP versions simultaneously
<?php const REPEATS = 1000000; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(true){ if(true){ } } } $end = microtime(true); echo "\nif true if true: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(false){ if(true){ } } } $end = microtime(true); echo "\nif false if true: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(true){ if(false){ } } } $end = microtime(true); echo "\nif true if false: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(false){ if(false){ } } } $end = microtime(true); echo "\nif false if false: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(true and true){ } } $end = microtime(true); echo "\nif true and true: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(false and true){ } } $end = microtime(true); echo "\nif false and true: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(true and false){ } } $end = microtime(true); echo "\nif true and false: " . ($end - $start) / REPEATS; $start = microtime(true); for($i = 0; $i < REPEATS; $i++){ if(false and false){ } } $end = microtime(true); echo "\nif false and false: " . ($end - $start) / REPEATS;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.10.0160.15214.98
7.4.00.0000.16415.21
7.3.130.0030.15614.97
7.3.120.0120.15614.85
7.3.110.0100.15814.75
7.3.100.0050.12614.81
7.3.90.0070.16514.94
7.3.80.0020.14815.03
7.3.70.0030.12614.69
7.3.60.0100.14115.01
7.3.50.0080.11614.74
7.3.40.0070.13514.86
7.3.30.0050.13514.88
7.3.20.0050.11916.58
7.3.10.0070.13216.81
7.3.00.0050.13116.74
7.2.260.0070.19115.24
7.2.250.0100.15815.23
7.2.240.0030.17815.27
7.2.230.0030.16215.01
7.2.220.0070.15515.14
7.2.210.0070.15415.13
7.2.200.0070.15915.04
7.2.190.0100.14015.29
7.2.180.0050.14415.09
7.2.170.0050.16215.21
7.2.160.0100.12615.01
7.2.150.0050.13916.87
7.2.140.0080.12417.12
7.2.130.0070.12816.92
7.2.120.0030.15216.92
7.2.110.0030.16016.83
7.2.100.0070.18216.82
7.2.90.0030.15716.86
7.2.80.0100.13416.86
7.2.70.0050.14016.90
7.2.60.0020.15716.92
7.2.50.0030.15916.89
7.2.40.0030.13516.78
7.2.30.0050.14116.79
7.2.20.0030.14616.83
7.2.10.0070.16217.01
7.2.00.0030.14917.70
7.1.330.0040.40215.82
7.1.320.0020.42615.66
7.1.310.0070.40115.85
7.1.300.0050.36815.82
7.1.290.0050.38415.84
7.1.280.0020.41215.65
7.1.270.0050.40415.65
7.1.260.0020.36715.78
7.1.250.0020.41715.54
7.1.240.0030.38815.87
7.1.230.0030.42715.80
7.1.220.0030.46515.87
7.1.210.0030.38615.80
7.1.200.0000.39115.83
7.1.190.0030.45215.87
7.1.180.0100.43915.70
7.1.170.0030.43515.66
7.1.160.0030.35315.50
7.1.150.0030.36816.00
7.1.140.0070.38215.84
7.1.130.0000.45615.73
7.1.120.0030.43915.66
7.1.110.0070.36915.63
7.1.100.0070.38815.76
7.1.90.0100.38415.87
7.1.80.0030.45815.63
7.1.70.0020.28616.40
7.1.60.0100.27917.65
7.1.50.0070.27116.49
7.1.40.0000.43815.86
7.1.30.0070.36315.68
7.1.20.0130.38015.98
7.1.10.0070.38615.59
7.1.00.0070.33419.11
7.0.330.0030.37215.55
7.0.320.0000.46415.11
7.0.310.0030.41815.54
7.0.300.0030.37715.35
7.0.290.0000.39015.12
7.0.280.0030.45915.22
7.0.270.0070.38015.40
7.0.260.0100.37915.37
7.0.250.0030.40515.19
7.0.240.0030.36615.36
7.0.230.0000.42115.15
7.0.220.0000.35815.43
7.0.210.0030.49615.27
7.0.200.0170.27716.14
7.0.190.0000.37215.33
7.0.180.0000.43315.48
7.0.170.0030.47215.23
7.0.160.0030.43715.57
7.0.150.0070.41115.43
7.0.140.0100.38015.51
7.0.130.0030.46815.59
7.0.120.0030.37915.35
7.0.110.0000.46215.44
7.0.100.0070.46115.34
7.0.90.0000.46715.42
7.0.80.0030.45715.16
7.0.70.0030.46815.42
7.0.60.0020.31018.58
7.0.50.0130.31916.78
7.0.40.0070.29716.77
7.0.30.0150.34016.83
7.0.20.0150.29416.62
7.0.10.0080.30016.80
7.0.00.0070.32116.93
5.6.400.0031.08513.86
5.6.390.0001.10914.34
5.6.380.0100.99014.48
5.6.370.0071.01213.91
5.6.360.0001.10114.57
5.6.350.0070.98214.36
5.6.340.0071.03814.57
5.6.330.0001.04514.25
5.6.320.0001.09714.30
5.6.310.0030.97014.46
5.6.300.0071.03914.28
5.6.290.0111.10914.56
5.6.280.0050.69517.75
5.6.270.0071.02014.60
5.6.260.0001.02214.23
5.6.250.0101.10514.42
5.6.240.0131.00314.21
5.6.230.0071.10514.09
5.6.220.0030.99914.32
5.6.210.0070.73517.48
5.6.200.0030.67116.14
5.6.190.0080.74217.35
5.6.180.0180.70917.59
5.6.170.0120.72817.51
5.6.160.0050.71417.51
5.6.150.0030.66716.39
5.6.140.0000.72916.11
5.6.130.0050.75816.35
5.6.120.0080.72617.77
5.6.110.0100.68517.68
5.6.100.0050.70217.73
5.6.90.0030.73717.60
5.6.80.0020.72017.41
5.6.70.0000.99914.30
5.6.60.0001.07914.38
5.6.50.0230.97414.22
5.6.40.0070.97414.34
5.6.30.0070.98014.30
5.6.20.0001.10914.20
5.6.10.0031.09914.14
5.6.00.0101.06614.23
5.5.380.0030.96114.34
5.5.370.0001.11514.21
5.5.360.0071.07614.29
5.5.350.1870.73517.29
5.5.340.0080.72116.30
5.5.330.0050.64617.46
5.5.320.0370.71817.27
5.5.310.0350.73717.19
5.5.300.0130.66116.25
5.5.290.0020.72716.13
5.5.280.0050.72617.70
5.5.270.0050.72017.42
5.5.260.0030.73917.64
5.5.250.0150.70017.52
5.5.240.0050.70917.07
5.5.230.0031.10714.47
5.5.220.0071.05914.02
5.5.210.0101.01914.37
5.5.200.0001.07313.96
5.5.190.0031.11914.07
5.5.180.0070.99414.27
5.5.170.0001.13714.41
5.5.160.0001.03514.38
5.5.150.0071.14114.49
5.5.140.0031.13014.17
5.5.130.0031.00814.32
5.5.120.0100.98214.07
5.5.110.0071.11214.31
5.5.100.0031.14214.42
5.5.90.0071.12414.16
5.5.80.0070.96814.29
5.5.70.0031.03813.94
5.5.60.0101.05514.44
5.5.50.0001.02014.41
5.5.40.0031.02214.39
5.5.30.0071.01514.46
5.5.20.0071.04114.23
5.5.10.0031.01014.18
5.5.00.0030.95414.20

preferences:
33.08 ms | 401 KiB | 5 Q