3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($a = memory_get_usage()); class Foo{ function test(){ return "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; } } var_dump(memory_get_usage() - $a); $a = memory_get_usage(); $v1 = (new Foo)->test(); var_dump(memory_get_usage() - $a); $a = memory_get_usage(); $v2 = (new Foo)->test(); var_dump(memory_get_usage() - $a); $a = memory_get_usage(); $v3 = (new Foo)->test(); var_dump(memory_get_usage() - $a); $a = memory_get_usage(); $v4 = (new Foo)->test(); var_dump(memory_get_usage() - $a); $a = memory_get_usage(); $v5 = (new Foo)->test(); var_dump(memory_get_usage() - $a); $a = memory_get_usage();

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)
7.4.00.0110.00715.00
7.3.120.0110.00714.80
7.3.110.0040.01414.55
7.3.100.0030.01214.96
7.3.90.0050.00814.57
7.3.80.0100.00314.87
7.3.70.0030.00714.68
7.3.60.0090.00614.80
7.3.50.0060.00914.60
7.3.40.0060.00614.50
7.3.30.0060.00914.64
7.3.20.0100.00616.64
7.3.10.0070.00716.45
7.3.00.0080.00616.50
7.2.250.0100.01014.92
7.2.240.0030.01714.63
7.2.230.0060.00614.85
7.2.220.0060.00915.13
7.2.210.0030.00914.89
7.2.200.0090.00615.05
7.2.190.0090.00614.86
7.2.180.0130.00315.02
7.2.170.0060.00915.01
7.2.130.0050.01016.87
7.2.120.0080.00816.71
7.2.110.0050.01016.74
7.2.100.0050.00816.78
7.2.90.0090.00416.70
7.2.80.0050.00916.99
7.2.70.0020.01016.65
7.2.60.0090.00516.77
7.2.50.0070.00816.84
7.2.40.0050.00716.63
7.2.30.0080.00316.95
7.2.20.0070.00716.75
7.2.10.0080.00316.86
7.2.00.0070.00817.70
7.1.330.0060.01015.73
7.1.320.0070.00715.85
7.1.310.0060.00615.91
7.1.300.0060.01015.66
7.1.290.0090.00015.59
7.1.280.0090.00615.64
7.1.270.0100.00715.75
7.1.260.0000.00915.70
7.1.250.0020.00915.66
7.1.70.0040.00416.97
7.1.60.0030.00717.15
7.1.50.0070.01616.76
7.1.00.0030.07322.43
7.0.200.0030.00714.60
7.0.120.0470.05720.28
7.0.110.0430.05320.23
7.0.100.0430.05020.28
7.0.90.0300.06320.29
7.0.80.0400.07020.37
7.0.70.0400.05320.33
7.0.60.0370.05320.30
7.0.50.0200.06320.18
7.0.40.0430.04720.43
7.0.30.0370.05720.20
7.0.20.0470.06720.27
7.0.10.0400.05020.28
7.0.00.0200.07320.28
5.6.260.0230.04721.05
5.6.250.0070.06021.13
5.6.240.0130.06021.11
5.6.230.0200.07320.76
5.6.220.0170.05020.84
5.6.210.0130.05320.93
5.6.200.0070.06020.87
5.6.190.0230.04721.07
5.6.180.0100.06021.00
5.6.170.0170.05020.84
5.6.160.0130.05720.85
5.6.150.0070.06321.10
5.6.140.0200.05020.81
5.6.130.0100.05721.10
5.6.120.0130.05720.93
5.6.110.0170.05320.86
5.6.100.0230.05020.82
5.6.90.0200.04720.82
5.6.80.0130.06020.48
5.6.70.0130.05320.25
5.6.60.0230.04320.21
5.6.50.0130.05020.44
5.6.40.0070.05720.41
5.6.30.0100.06720.34
5.6.20.0130.05320.40
5.6.10.0070.05720.17
5.6.00.0000.06320.25

preferences:
44.82 ms | 868 KiB | 5 Q