3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($a = memory_get_usage()); class Foo{ function test(){ static $foo = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; return $foo; } } 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); $a = memory_get_usage(); unset($v1, $v2, $v3, $v4, $v5); 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)
7.4.10.0120.00915.09
7.4.00.0090.00614.84
7.3.130.0030.01614.96
7.3.120.0000.01114.54
7.3.110.0100.01014.75
7.3.100.0030.01314.45
7.3.90.0070.00614.81
7.3.80.0100.00014.67
7.3.70.0070.00714.63
7.3.60.0090.00014.71
7.3.50.0000.01214.87
7.3.40.0060.00614.48
7.3.30.0070.01014.76
7.3.20.0030.01016.63
7.3.10.0040.01016.34
7.3.00.0120.00516.47
7.2.260.0060.01515.24
7.2.250.0110.00715.18
7.2.240.0110.00315.28
7.2.230.0120.00415.04
7.2.220.0060.00314.98
7.2.210.0030.01215.01
7.2.200.0160.00015.00
7.2.190.0060.00615.12
7.2.180.0000.01314.85
7.2.170.0060.00615.05
7.2.160.0090.00014.98
7.2.150.0100.00316.91
7.2.140.0070.00316.58
7.2.130.0050.00916.79
7.2.120.0070.00516.88
7.2.110.0060.00816.59
7.2.100.0030.01116.75
7.2.90.0090.00616.79
7.2.80.0100.00516.65
7.2.70.0070.00516.91
7.2.60.0100.00516.56
7.2.50.0070.00516.68
7.2.40.0070.00916.74
7.2.30.0020.01316.78
7.2.20.0040.00816.93
7.2.10.0050.01216.66
7.2.00.0030.00817.68
7.1.330.0030.01115.86
7.1.320.0030.00715.78
7.1.310.0040.01115.51
7.1.300.0030.00915.70
7.1.290.0040.01115.65
7.1.280.0090.00315.91
7.1.270.0030.00915.73
7.1.260.0040.00815.33
7.1.250.0080.00715.64
7.1.240.0080.00315.66
7.1.230.0090.00615.72
7.1.220.0060.00615.74
7.1.210.0060.00915.65
7.1.200.0110.00415.65
7.1.190.0030.00915.86
7.1.180.0060.00915.86
7.1.170.0040.01115.62
7.1.160.0040.00815.45
7.1.150.0060.00315.41
7.1.140.0050.00615.84
7.1.130.0070.00715.45
7.1.120.0000.01115.51
7.1.110.0100.00315.70
7.1.100.0000.01115.72
7.1.90.0000.01415.70
7.1.80.0070.00715.74
7.1.70.0070.00716.25
7.1.60.0050.00716.33
7.1.50.0120.00516.47
7.1.40.0100.00315.47
7.1.30.0090.00015.50
7.1.20.0070.00715.69
7.1.10.0030.00915.77
7.1.00.0050.04119.05
7.0.330.0030.01015.37
7.0.320.0070.00715.40
7.0.310.0060.00615.12
7.0.300.0060.00915.57
7.0.290.0040.00815.42
7.0.280.0030.01015.32
7.0.270.0070.01015.43
7.0.260.0000.01015.31
7.0.250.0100.00315.35
7.0.240.0000.00915.23
7.0.230.0040.00715.58
7.0.220.0060.00815.53
7.0.210.0070.00715.12
7.0.200.0050.00714.83
7.0.190.0070.00715.58
7.0.180.0070.00715.55
7.0.170.0070.00415.24
7.0.160.0030.01015.29
7.0.150.0080.00415.39
7.0.140.0030.00615.16
7.0.130.0030.00615.14
7.0.120.0020.03617.91
7.0.110.0050.03517.80
7.0.100.0120.03217.77
7.0.90.0070.03517.90
7.0.80.0030.03817.78
7.0.70.0050.03617.94
7.0.60.0130.02517.85
7.0.50.0070.03317.92
7.0.40.0190.02516.91
7.0.30.0130.03516.87
7.0.20.0170.03416.88
7.0.10.0220.03216.82
7.0.00.0150.03616.94
5.6.400.0040.01114.59
5.6.390.0000.01014.32
5.6.380.0040.01114.24
5.6.370.0060.00914.51
5.6.360.0000.01614.34
5.6.350.0110.00314.54
5.6.340.0100.00313.91
5.6.330.0030.00714.15
5.6.320.0060.00614.38
5.6.310.0030.01014.34
5.6.300.0100.00314.39
5.6.290.0030.00914.38
5.6.280.0040.00414.39
5.6.270.0060.00614.04
5.6.260.0110.03117.61
5.6.250.0120.03017.64
5.6.240.0080.04217.56
5.6.230.0100.04817.42
5.6.220.0080.03517.59
5.6.210.0070.03617.71
5.6.200.0050.04517.77
5.6.190.0140.02217.56
5.6.180.0020.03717.55
5.6.170.0100.03217.55
5.6.160.0020.03717.53
5.6.150.0070.03517.69
5.6.140.0120.03217.73
5.6.130.0020.03717.77
5.6.120.0040.03417.54
5.6.110.0100.03017.59
5.6.100.0070.03517.63
5.6.90.0150.02517.49
5.6.80.0100.02817.25
5.6.70.0050.03317.29
5.6.60.0050.03817.26
5.6.50.0090.03017.18
5.6.40.0070.03117.13
5.6.30.0030.03617.27
5.6.20.0080.02917.17
5.6.10.0080.02817.23
5.6.00.0090.02817.21

preferences:
66.82 ms | 1108 KiB | 5 Q