3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f1($p = null) { var_dump($p); } function f2($p = false) { var_dump($p); } f1(); f1(false); f1(null); f1("qualcosa"); f2(); f2(false); f2(null); f2("qualcosa");

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)
8.3.60.0110.00718.30
8.3.50.0060.01121.14
8.3.40.0000.01418.67
8.3.30.0100.00318.96
8.3.20.0040.00420.11
8.3.10.0000.00822.09
8.3.00.0040.00422.40
8.2.180.0150.00016.61
8.2.170.0070.00722.96
8.2.160.0100.00320.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0000.00819.30
8.2.110.0060.00322.11
8.2.100.0110.00019.33
8.2.90.0000.00718.91
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00817.91
8.2.50.0030.00518.07
8.2.40.0000.00818.09
8.2.30.0080.00017.96
8.2.20.0050.00217.43
8.2.10.0040.00417.61
8.2.00.0040.00417.60
8.1.280.0120.00625.92
8.1.270.0030.00620.27
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00323.95
8.1.230.0070.00419.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.13
8.1.190.0040.00417.18
8.1.180.0030.00518.62
8.1.170.0040.00418.38
8.1.160.0000.00722.07
8.1.150.0030.00518.55
8.1.140.0050.00317.26
8.1.130.0000.00717.77
8.1.120.0030.00317.25
8.1.110.0000.00817.24
8.1.100.0000.00717.36
8.1.90.0040.00417.32
8.1.80.0000.00817.34
8.1.70.0050.00217.34
8.1.60.0040.00417.41
8.1.50.0080.00017.48
8.1.40.0000.00817.42
8.1.30.0040.00417.41
8.1.20.0000.00817.46
8.1.10.0060.00317.31
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0040.00417.05
8.0.280.0000.00818.33
8.0.270.0000.00717.11
8.0.260.0000.00818.20
8.0.250.0030.00316.81
8.0.240.0040.00416.76
8.0.230.0000.00716.82
8.0.220.0050.00216.64
8.0.210.0030.00316.72
8.0.200.0030.00316.71
8.0.190.0040.00416.84
8.0.180.0000.00716.67
8.0.170.0050.00316.70
8.0.160.0000.00816.73
8.0.150.0040.00416.66
8.0.140.0000.00716.62
8.0.130.0050.00013.18
8.0.120.0000.00816.68
8.0.110.0070.00016.78
8.0.100.0000.00816.63
8.0.90.0040.00416.60
8.0.80.0120.00316.71
8.0.70.0000.00716.76
8.0.60.0000.00716.78
8.0.50.0000.00816.82
8.0.30.0140.00817.00
8.0.20.0130.00617.40
8.0.10.0040.00416.91
8.0.00.0130.00516.53
7.4.330.0000.00915.00
7.4.320.0000.00616.27
7.4.300.0030.00316.54
7.4.290.0070.00316.50
7.4.280.0030.00316.44
7.4.270.0050.00316.54
7.4.260.0000.00716.59
7.4.250.0030.00516.42
7.4.240.0000.00716.46
7.4.230.0030.00316.46
7.4.220.0090.00916.47
7.4.210.0090.00716.49
7.4.200.0070.00016.23
7.4.190.0000.00816.69
7.4.160.0030.01216.41
7.4.150.0070.01017.40
7.4.140.0050.01317.86
7.4.130.0060.01216.40
7.4.120.0140.00416.41
7.4.110.0080.00816.21
7.4.100.0130.00516.27
7.4.90.0140.00416.59
7.4.80.0180.00319.39
7.4.70.0170.00016.22
7.4.60.0130.00316.20
7.4.50.0090.00016.32
7.4.40.0070.01022.77
7.4.30.0140.00516.56
7.4.00.0070.01014.88
7.3.330.0050.00013.19
7.3.320.0000.00513.23
7.3.310.0030.00316.24
7.3.300.0030.00316.22
7.3.290.0130.00616.23
7.3.280.0050.01016.25
7.3.270.0160.00617.40
7.3.260.0070.01016.55
7.3.250.0110.00916.27
7.3.240.0120.00616.27
7.3.230.0080.01116.39
7.3.210.0110.00616.18
7.3.200.0070.01019.39
7.3.190.0100.01116.45
7.3.180.0080.00816.21
7.3.170.0030.01316.27
7.3.160.0110.00516.53
7.3.120.0070.00914.70
7.3.110.0030.01314.88
7.3.100.0080.00414.89
7.3.90.0000.01614.71
7.3.80.0080.00814.85
7.3.70.0100.00614.62
7.3.60.0100.00614.40
7.3.50.0030.00914.71
7.3.40.0000.01314.65
7.3.30.0060.00614.26
7.3.20.0040.00816.39
7.3.10.0060.00716.52
7.3.00.0080.00616.36
7.2.330.0030.01416.28
7.2.320.0030.01716.22
7.2.310.0070.01016.22
7.2.300.0100.00616.25
7.2.290.0120.00616.37
7.2.250.0100.00614.98
7.2.240.0100.00715.11
7.2.230.0070.01014.71
7.2.220.0060.01214.58
7.2.210.0070.01114.92
7.2.200.0060.00914.82
7.2.190.0030.00614.93
7.2.180.0060.00614.60
7.2.170.0070.00414.82
7.2.130.0050.00916.84
7.2.120.0080.00216.67
7.2.110.0060.00616.80
7.2.100.0020.01016.73
7.2.90.0060.01016.66
7.2.80.0120.00416.79
7.2.70.0090.00616.77
7.2.60.0040.00916.68
7.2.50.0040.00816.71
7.2.40.0080.00916.69
7.2.30.0050.01016.73
7.2.20.0080.00516.66
7.2.10.0060.00616.81
7.2.00.0030.01117.14
7.1.330.0040.01115.67
7.1.320.0060.00315.71
7.1.310.0000.01515.72
7.1.300.0060.00615.81
7.1.290.0040.00415.69
7.1.280.0040.01115.66
7.1.270.0060.00915.62
7.1.260.0110.00315.63
7.1.250.0070.00715.74
7.1.200.0070.00715.79
7.1.100.0000.01418.05
7.1.70.0030.00616.99
7.1.60.0110.01419.82
7.1.50.0100.01416.71
7.1.00.0070.03322.54
7.0.200.0000.00716.66
7.0.140.0000.07722.18
7.0.60.0070.08319.90
7.0.50.0070.07317.88
7.0.40.0070.06020.29
7.0.30.0370.06020.26
7.0.20.1100.05320.10
7.0.10.0130.06320.33
7.0.00.0100.08020.09
5.6.280.0030.07320.99
5.6.210.0000.04320.70
5.6.200.0100.03718.18
5.6.190.0070.05720.50
5.6.180.0230.08020.75
5.6.170.0270.04020.44
5.6.160.0100.03720.46
5.6.150.0100.06718.18
5.6.140.0030.08318.19
5.6.130.0070.05018.30
5.6.120.0030.04321.00
5.6.110.0130.08020.96
5.6.100.0200.06320.99
5.6.90.0100.08020.88
5.6.80.0100.08320.37
5.5.350.0330.06020.33
5.5.340.0070.08317.98
5.5.330.0170.07020.34
5.5.320.0200.08020.31
5.5.310.0230.05020.27
5.5.300.0000.04717.95
5.5.290.0030.04018.10
5.5.280.0030.05320.73
5.5.270.0170.06320.77
5.5.260.0100.07720.87
5.5.250.0130.07320.71
5.5.240.0070.07020.26
5.4.450.0830.05719.20
5.4.440.0700.05319.55
5.4.430.0700.05319.57
5.4.420.0670.05719.66
5.4.410.0470.05719.43
5.4.400.0430.04718.76
5.4.390.0300.08018.80
5.4.380.0070.06018.57
5.4.370.0100.05018.68
5.4.360.0270.04018.74
5.4.350.0090.04112.02
5.4.340.0060.04312.02
5.4.320.0030.04712.50
5.4.310.0030.04112.50
5.4.300.0060.03712.50
5.4.290.0110.04012.50
5.4.280.0060.03512.40
5.4.270.0100.03712.40
5.4.260.0090.04312.40
5.4.250.0030.05318.77
5.4.240.0100.05718.88
5.4.230.0070.05018.73
5.4.220.0030.05719.05
5.4.210.0000.05718.79
5.4.200.0070.05718.88
5.4.190.0070.05318.88
5.4.180.0100.04718.92
5.4.170.0070.06018.91
5.4.160.0030.05318.75
5.4.150.0100.06718.88
5.4.140.0100.04716.40
5.4.130.0030.05016.59
5.4.120.0070.05016.35
5.4.110.0070.05016.58
5.4.100.0030.05016.39
5.4.90.0030.05316.54
5.4.80.0030.05016.37
5.4.70.0070.05016.51
5.4.60.0130.05316.49
5.4.50.0130.04316.38
5.4.40.0070.04716.59
5.4.30.0000.05716.46
5.4.20.0170.03716.58
5.4.10.0070.06016.30
5.4.00.0030.05015.84
5.3.290.0090.03812.80
5.3.280.0070.05014.70
5.3.270.0070.06014.68
5.3.260.0070.05014.57
5.3.250.0070.05014.69
5.3.240.0100.04714.57
5.3.230.0030.05714.59
5.3.220.0000.05714.64
5.3.210.0000.06014.64
5.3.200.0000.05314.55
5.3.190.0030.05314.40
5.3.180.0100.04314.54
5.3.170.0170.05714.73
5.3.160.0100.04314.53
5.3.150.0030.06314.64
5.3.140.0170.04714.52
5.3.130.0030.05314.45
5.3.120.0030.05714.63
5.3.110.0030.05714.65
5.3.100.0030.05714.06
5.3.90.0070.04714.11
5.3.80.0030.05014.03
5.3.70.0100.04714.18
5.3.60.0100.04314.08
5.3.50.0000.05314.11
5.3.40.0100.04714.17
5.3.30.0070.04713.98
5.3.20.0130.05713.91
5.3.10.0070.05313.63
5.3.00.0070.04713.80
5.2.170.0030.04311.31
5.2.160.0030.04011.23
5.2.150.0100.03711.31
5.2.140.0100.03711.11
5.2.130.0070.04011.12
5.2.120.0070.04311.27
5.2.110.0100.03711.18
5.2.100.0170.03011.17
5.2.90.0030.04011.08
5.2.80.0000.04310.92
5.2.70.0070.03711.31
5.2.60.0030.04011.05
5.2.50.0030.04011.09
5.2.40.0070.03710.96
5.2.30.0000.04311.15
5.2.20.0130.03311.04
5.2.10.0000.04010.82
5.2.00.0030.04010.71
5.1.60.0000.0379.84
5.1.50.0030.03310.07
5.1.40.0030.03310.13
5.1.30.0070.03310.51
5.1.20.0070.04010.36
5.1.10.0030.03310.08
5.1.00.0000.03710.11
5.0.50.0070.0238.78
5.0.40.0000.0278.48
5.0.30.0030.0408.32
5.0.20.0070.0238.25
5.0.10.0000.0308.38
5.0.00.0000.0578.08
4.4.90.0030.0206.81
4.4.80.0030.0206.81
4.4.70.0030.0206.81
4.4.60.0000.0236.81
4.4.50.0000.0236.81
4.4.40.0000.0336.81
4.4.30.0000.0236.81
4.4.20.0000.0236.81
4.4.10.0030.0206.81
4.4.00.0030.0306.81
4.3.110.0030.0206.81
4.3.100.0100.0136.81
4.3.90.0070.0176.81
4.3.80.0030.0436.81
4.3.70.0000.0276.81
4.3.60.0030.0206.81
4.3.50.0030.0206.81
4.3.40.0030.0336.81
4.3.30.0000.0206.81
4.3.20.0000.0236.81
4.3.10.0000.0236.81
4.3.00.0100.0307.11

preferences:
44.74 ms | 401 KiB | 5 Q