3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ref(&$a) {$a = 42;} function val($a) {$a = 42;} $val1 = 7; $val2 = 8; ref($val1); val($val2); var_dump([$val1, $val2]);

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)
8.4.120.0120.00920.71
8.4.110.0140.00722.48
8.4.100.0060.00417.45
8.4.90.0100.01117.44
8.4.80.0150.00617.65
8.4.70.0150.01117.68
8.4.60.0120.00818.63
8.4.50.0110.00922.43
8.4.40.0130.00620.23
8.4.30.0060.01224.14
8.4.20.0040.00417.76
8.4.10.0090.00019.30
8.3.250.0120.00618.76
8.3.240.0140.00616.34
8.3.230.0110.00816.39
8.3.220.0120.00717.10
8.3.210.0110.00916.49
8.3.200.0040.00516.37
8.3.190.0110.00718.72
8.3.180.0030.00416.62
8.3.170.0120.00318.89
8.3.160.0140.00416.48
8.3.150.0090.00017.25
8.3.140.0030.00716.57
8.3.130.0040.00418.46
8.3.120.0080.00020.57
8.3.110.0080.00016.41
8.3.100.0040.00416.66
8.3.90.0040.00426.77
8.3.80.0070.00319.36
8.3.70.0040.01116.50
8.3.60.0130.00718.30
8.3.50.0080.00524.40
8.3.40.0070.00718.58
8.3.30.0110.00418.50
8.3.20.0080.00021.82
8.3.10.0070.00022.09
8.3.00.0070.00021.77
8.2.290.0110.00720.38
8.2.280.0040.00518.54
8.2.270.0110.00816.54
8.2.260.0100.00720.76
8.2.250.0040.00416.94
8.2.240.0110.00416.56
8.2.230.0060.00920.94
8.2.220.0040.00424.06
8.2.210.0040.01126.77
8.2.200.0030.00618.88
8.2.190.0160.00018.54
8.2.180.0040.01518.25
8.2.170.0110.00422.96
8.2.160.0140.00020.44
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0050.00221.18
8.2.110.0070.00320.51
8.2.100.0060.00617.72
8.2.90.0080.00019.08
8.2.80.0080.00017.97
8.2.70.0030.00617.63
8.2.60.0040.00417.50
8.2.50.0040.00417.98
8.2.40.0040.00418.22
8.2.30.0000.00718.11
8.2.20.0000.00717.92
8.2.10.0000.00719.21
8.2.00.0030.00519.29
8.1.330.0060.00418.17
8.1.320.0100.00818.63
8.1.310.0040.00416.79
8.1.300.0030.00616.17
8.1.290.0090.00030.84
8.1.280.0150.00325.92
8.1.270.0030.00622.57
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00422.14
8.1.230.0070.00418.92
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.25
8.1.190.0000.00917.50
8.1.180.0030.00618.10
8.1.170.0030.00617.62
8.1.160.0040.00418.92
8.1.150.0030.00518.89
8.1.140.0040.00420.62
8.1.130.0000.00820.04
8.1.120.0000.00817.49
8.1.110.0040.00717.33
8.1.100.0050.00317.40
8.1.90.0000.00717.47
8.1.80.0040.00417.46
8.1.70.0030.00317.39
8.1.60.0040.00417.55
8.1.50.0000.00717.33
8.1.40.0000.00717.40
8.1.30.0060.00317.61
8.1.20.0070.00317.60
8.1.10.0110.00017.43
8.1.00.0030.00817.45
8.0.300.0000.00718.77
8.0.290.0000.00916.58
8.0.280.0030.00318.44
8.0.270.0000.00717.95
8.0.260.0060.00020.02
8.0.250.0030.00316.98
8.0.240.0030.00516.89
8.0.230.0050.00316.91
8.0.220.0030.00316.81
8.0.210.0030.00516.89
8.0.200.0030.00316.83
8.0.190.0040.00416.97
8.0.180.0090.00316.90
8.0.170.0030.00616.91
8.0.160.0030.00516.90
8.0.150.0000.00816.80
8.0.140.0030.00616.82
8.0.130.0050.00013.24
8.0.120.0000.00716.80
8.0.110.0050.00216.81
8.0.100.0040.00416.66
8.0.90.0030.00616.87
8.0.80.0030.01216.85
8.0.70.0040.00416.82
8.0.60.0040.00416.71
8.0.50.0070.00016.76
8.0.30.0100.00616.80
8.0.20.0090.00916.92
8.0.10.0000.00816.87
8.0.00.0100.00716.80
7.4.330.0000.00516.66
7.4.320.0030.00316.57
7.4.300.0040.00416.61
7.4.290.0000.00716.43
7.4.280.0050.00316.47
7.4.270.0000.00816.50
7.4.260.0060.00013.24
7.4.250.0030.00316.41
7.4.240.0040.00316.43
7.4.230.0030.00316.52
7.4.220.0050.00316.46
7.4.210.0110.00816.58
7.4.200.0000.00716.57
7.4.130.0110.01416.62
7.4.120.0080.01116.46
7.4.110.0110.01116.52
7.4.100.0110.00716.53
7.4.90.0060.01316.64
7.4.80.0120.00619.39
7.4.70.0080.00816.42
7.4.60.0120.00616.50
7.4.50.0110.00716.57
7.4.40.0090.00616.64
7.4.10.0100.00414.83
7.4.00.0050.01014.79
7.3.330.0070.00016.30
7.3.320.0030.00313.36
7.3.310.0050.00216.39
7.3.300.0000.00716.28
7.3.290.0070.00716.28
7.3.280.0070.00716.25
7.3.260.0110.00916.41
7.3.240.0080.00916.35
7.3.230.0030.02016.34
7.3.210.0100.00716.25
7.3.200.0100.00716.34
7.3.190.0090.00616.19
7.3.180.0120.00316.52
7.3.170.0080.00716.30
7.3.160.0140.00316.40
7.3.130.0080.00914.43
7.3.120.0030.01114.68
7.3.110.0030.01014.60
7.3.100.0060.00814.86
7.3.90.0050.00814.73
7.3.80.0120.00214.63
7.3.70.0070.00714.58
7.3.60.0100.01014.54
7.3.50.0060.00814.63
7.3.40.0050.00914.55
7.3.30.0130.00414.73
7.3.20.0140.00414.66
7.3.10.0060.01214.69
7.3.00.0130.00514.65
7.2.330.0060.01216.36
7.2.320.0080.00816.35
7.2.310.0140.00316.40
7.2.300.0110.00716.24
7.2.290.0030.01316.59
7.2.260.0090.00614.83
7.2.250.0050.01014.74
7.2.240.0080.00714.63
7.2.230.0130.00214.82
7.2.220.0080.00814.74
7.2.210.0110.00314.75
7.2.200.0050.01314.72
7.2.190.0070.01214.89
7.2.180.0060.00914.71
7.2.170.0090.00914.83
7.2.160.0110.00614.96
7.2.150.0100.00914.86
7.2.140.0120.00514.86
7.2.130.0140.00514.96
7.2.120.0090.00914.87
7.2.110.0130.00614.70
7.2.100.0130.00514.90
7.2.90.0100.01014.92
7.2.80.0110.00814.99
7.2.70.0110.01014.69
7.2.60.0090.01014.91
7.2.50.0100.00814.85
7.2.40.0070.01314.92
7.2.30.0310.01414.80
7.2.20.0070.01014.77
7.2.10.0100.00714.86
7.2.00.0080.00814.89

preferences:
29.71 ms | 403 KiB | 5 Q