3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c { public $v = ''; } function cf(&$c, $v) { $c->v = $v; } $c = new c(); $c1 = $c; cf($c, '123'); var_dump($c); var_dump($c1); //output php5 //output php4, fix capbility, fix output to '123'

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)
8.3.60.0090.00916.75
8.3.50.0060.01118.21
8.3.40.0070.00718.90
8.3.30.0070.01018.54
8.3.20.0080.00018.60
8.3.10.0000.00920.29
8.3.00.0080.00019.38
8.2.180.0070.01118.41
8.2.170.0070.00722.96
8.2.160.0100.00718.66
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0050.00226.16
8.2.120.0100.00318.76
8.2.110.0040.00722.11
8.2.100.0080.00317.78
8.2.90.0030.00617.91
8.2.80.0090.00017.97
8.2.70.0080.00017.63
8.2.60.0040.00417.79
8.2.50.0000.00818.07
8.2.40.0000.00718.12
8.2.30.0040.00417.85
8.2.20.0000.00817.61
8.2.10.0030.00617.49
8.2.00.0040.00417.48
8.1.280.0120.00325.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00720.70
8.1.230.0070.00420.88
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.23
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0000.00818.97
8.1.160.0040.00418.93
8.1.150.0070.00418.57
8.1.140.0000.00717.36
8.1.130.0000.00717.68
8.1.120.0000.00717.44
8.1.110.0000.00717.40
8.1.100.0000.00717.38
8.1.90.0000.00717.30
8.1.80.0040.00417.28
8.1.70.0080.00017.38
8.1.60.0090.00017.50
8.1.50.0000.00817.38
8.1.40.0000.00917.46
8.1.30.0000.00917.59
8.1.20.0000.00717.48
8.1.10.0050.00217.49
8.1.00.0040.00417.48
8.0.300.0060.00319.98
8.0.290.0000.00716.63
8.0.280.0040.00418.28
8.0.270.0030.00317.10
8.0.260.0040.00416.80
8.0.250.0040.00416.78
8.0.240.0030.00316.77
8.0.230.0070.00016.74
8.0.220.0030.00316.82
8.0.210.0030.00316.70
8.0.200.0030.00316.82
8.0.190.0030.00316.78
8.0.180.0070.00016.88
8.0.170.0030.00616.62
8.0.160.0030.00316.85
8.0.150.0030.00516.66
8.0.140.0000.00716.72
8.0.130.0030.00313.22
8.0.120.0000.00816.82
8.0.110.0030.00316.78
8.0.100.0050.00316.77
8.0.90.0000.00716.72
8.0.80.0030.01216.75
8.0.70.0040.00416.66
8.0.60.0070.00016.85
8.0.50.0040.00416.85
8.0.30.0130.00617.04
8.0.20.0120.00717.05
8.0.10.0000.00816.98
8.0.00.0120.01216.87
7.4.330.0000.00512.91
7.4.320.0030.00316.45
7.4.300.0000.00616.51
7.4.290.0030.00316.59
7.4.280.0000.00816.43
7.4.270.0000.00716.37
7.4.260.0000.00613.28
7.4.250.0060.00316.43
7.4.240.0000.00816.52
7.4.230.0030.00316.40
7.4.220.0220.00416.58
7.4.210.0090.01216.53
7.4.200.0000.00716.70
7.4.190.0030.00316.49
7.4.160.0090.00616.29
7.4.150.0060.01216.47
7.4.140.0060.01916.45
7.4.130.0040.01416.46
7.4.120.0070.00816.51
7.4.110.0090.00916.65
7.4.100.0100.01416.33
7.4.90.0120.00616.37
7.4.80.0080.01216.26
7.4.70.0080.00816.43
7.4.60.0120.00616.35
7.4.50.0060.00316.42
7.4.40.0130.00316.27
7.4.30.0110.01116.30
7.4.00.0030.01315.11
7.3.330.0000.00713.19
7.3.320.0080.00013.33
7.3.310.0000.00716.39
7.3.300.0050.00316.38
7.3.290.0120.00616.37
7.3.280.0050.00916.41
7.3.270.0120.00616.69
7.3.260.0150.00316.27
7.3.250.0090.01016.42
7.3.240.0060.01116.28
7.3.230.0070.01016.35
7.3.210.0110.00716.34
7.3.200.0130.01019.39
7.3.190.0180.00416.50
7.3.180.0060.01416.56
7.3.170.0030.01216.30
7.3.160.0040.01216.23
7.3.120.0060.00614.81
7.2.330.0090.01216.40
7.2.320.0080.00816.29
7.2.310.0030.01416.48
7.2.300.0040.01416.56
7.2.290.0170.00016.63
7.2.00.0000.01019.08
7.1.100.0000.01518.33
7.1.70.0000.00916.81
7.1.60.0040.01519.31
7.1.50.0090.00916.78
7.1.00.0000.05022.48
7.0.200.0040.00416.37
7.0.140.0000.07722.09
7.0.120.0000.07722.01
7.0.60.0100.06319.91
7.0.50.0100.08017.90
7.0.40.0100.07320.09
7.0.30.0100.04720.06
7.0.20.0370.08020.23
7.0.10.0070.08020.24
7.0.00.0100.06320.18
5.6.280.0100.06721.10
5.6.210.0000.09020.75
5.6.200.0000.05318.18
5.6.190.0130.07020.52
5.6.180.0400.06720.42
5.6.170.0230.07320.39
5.6.160.0070.05020.71
5.6.150.0000.07718.29
5.6.140.0070.04018.15
5.6.130.0070.08318.28
5.6.120.0030.09020.99
5.6.110.0070.08321.12
5.6.100.0070.04020.98
5.6.90.0130.07721.11
5.6.80.0000.04720.29
5.5.350.0300.07720.34
5.5.340.0130.07318.09
5.5.330.0070.06320.26
5.5.320.0400.07720.36
5.5.310.0170.04020.41
5.5.300.0000.08017.98
5.5.290.0130.07318.07
5.5.280.0030.08720.78
5.5.270.0130.06720.86
5.5.260.0070.07320.75
5.5.250.0070.08020.55
5.5.240.0030.07720.28
5.4.450.0070.05019.48
5.4.440.0030.08319.45
5.4.430.0130.07019.18
5.4.420.0170.08019.20
5.4.410.0030.04019.44
5.4.400.0030.04718.87
5.4.390.0030.04718.85
5.4.380.0030.05019.14
5.4.370.0070.04318.95
5.4.360.0100.06019.17
5.4.350.0030.04718.98
5.4.340.0070.07319.24
5.4.320.0070.04719.16
5.4.310.0030.08018.86
5.4.300.0070.07018.97
5.4.290.0130.03019.16
5.4.280.0030.04018.84
5.4.270.0100.07319.07
5.4.260.0030.07019.24
5.4.250.0130.06318.97
5.4.240.0100.05718.97
5.4.230.0100.07319.14
5.4.220.0030.04018.97
5.4.210.0070.07319.23
5.4.200.0000.04018.93
5.4.190.0100.05318.86
5.4.180.0030.03719.07
5.4.170.0000.04019.14
5.4.160.0030.06019.13
5.4.150.0030.04319.13
5.4.140.0130.03016.45
5.4.130.0000.03716.42
5.4.120.0100.06016.36
5.4.110.0070.04716.46
5.4.100.0030.04016.71
5.4.90.0000.04316.36
5.4.80.0070.07016.49
5.4.70.0030.04716.30
5.4.60.0000.04016.41
5.4.50.0070.05716.36
5.4.40.0100.03316.51
5.4.30.0070.03316.50
5.4.20.0030.04016.40
5.4.10.0030.03716.39
5.4.00.0030.07715.93
5.3.290.0030.05014.67
5.3.280.0070.03714.64
5.3.270.0030.04014.66
5.3.260.0070.05014.54
5.3.250.0030.03714.59
5.3.240.0000.04314.67
5.3.230.0030.06014.61
5.3.220.0000.05714.56
5.3.210.0070.04314.48
5.3.200.0030.03714.70
5.3.190.0000.05014.60
5.3.180.0000.07314.71
5.3.170.0000.03714.62
5.3.160.0100.07014.60
5.3.150.0030.04314.57
5.3.140.0030.03714.57
5.3.130.0070.03714.46
5.3.120.0000.08714.54
5.3.110.0000.05014.63
5.3.100.0030.06714.03
5.3.90.0100.06713.90
5.3.80.0100.04713.96
5.3.70.0130.03313.91
5.3.60.0030.08014.05
5.3.50.0100.04713.96
5.3.40.0030.04713.99
5.3.30.0000.05014.05
5.3.20.0070.07013.71
5.3.10.0000.04713.66
5.3.00.0030.07713.71
5.2.170.0000.03311.20
5.2.160.0100.04311.21
5.2.150.0030.06311.10
5.2.140.0030.03011.11
5.2.130.0000.04711.18
5.2.120.0100.04711.11
5.2.110.0030.06011.15
5.2.100.0030.05711.25
5.2.90.0030.06011.11
5.2.80.0070.05311.15
5.2.70.0000.06311.09
5.2.60.0070.03010.97
5.2.50.0030.03011.06
5.2.40.0070.04711.00
5.2.30.0000.03311.02
5.2.20.0100.06010.96
5.2.10.0130.05711.00
5.2.00.0070.04310.76
5.1.60.0000.03710.06
5.1.50.0000.02710.14
5.1.40.0100.04710.12
5.1.30.0070.03010.34
5.1.20.0030.03310.50
5.1.10.0030.05310.05
5.1.00.0030.03310.22
5.0.50.0030.0338.70
5.0.40.0000.0538.40
5.0.30.0070.0478.23
5.0.20.0000.0438.18
5.0.10.0070.0378.16
5.0.00.0030.0578.07
4.4.90.0070.0238.07
4.4.80.0000.0178.07
4.4.70.0100.0238.07
4.4.60.0000.0208.07
4.4.50.0070.0278.07
4.4.40.0000.0308.07
4.4.30.0030.0308.07
4.4.20.0030.0208.07
4.4.10.0000.0208.07
4.4.00.0000.0278.07
4.3.110.0000.0378.07
4.3.100.0030.0178.07
4.3.90.0030.0308.07
4.3.80.0000.0378.07
4.3.70.0030.0208.07
4.3.60.0000.0338.07
4.3.50.0000.0308.07
4.3.40.0030.0478.07
4.3.30.0000.0378.07
4.3.20.0000.0378.07
4.3.10.0000.0338.07
4.3.00.0000.0238.07

preferences:
39.92 ms | 401 KiB | 5 Q