3v4l.org

run code in 300+ PHP versions simultaneously
<?php class c { var $v = 'none'; function c($v) { $this->v = $v; } } function cf($c, $v) { $c->v = $v; } $c = new c('init'); $c1 = $c; cf($c, 'changed'); var_dump($c); var_dump($c1); //output php5 //php5 fix output $c1 to '123', $c2 to 'none' //output php4, fix capbility //php4 fix output $c1 to '123', $c2 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)
8.3.60.0090.00618.31
8.3.50.0110.00621.14
8.3.40.0040.01118.69
8.3.30.0070.00718.67
8.3.20.0040.00418.78
8.3.10.0040.00420.92
8.3.00.0070.00021.95
8.2.180.0150.00616.63
8.2.170.0120.00618.83
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.07
8.2.110.0070.00320.37
8.2.100.0040.00717.78
8.2.90.0040.00419.13
8.2.80.0000.00717.97
8.2.70.0080.00017.38
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0030.00518.03
8.2.30.0000.00721.27
8.2.20.0040.00417.64
8.2.10.0050.00217.53
8.2.00.0000.01017.73
8.1.280.0100.01025.92
8.1.270.0040.00420.52
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0050.00522.38
8.1.230.0050.00520.91
8.1.220.0060.00318.77
8.1.210.0030.00518.92
8.1.200.0000.01017.36
8.1.190.0060.00317.50
8.1.180.0040.00418.10
8.1.170.0030.00518.61
8.1.160.0000.00718.84
8.1.150.0080.00318.67
8.1.140.0050.00317.27
8.1.130.0030.00317.84
8.1.120.0000.00717.40
8.1.110.0060.00617.26
8.1.100.0080.00017.45
8.1.90.0040.00317.30
8.1.80.0030.00517.43
8.1.70.0070.00017.43
8.1.60.0040.00417.63
8.1.50.0030.00517.48
8.1.40.0000.00817.50
8.1.30.0000.00717.60
8.1.20.0080.00017.51
8.1.10.0000.00717.50
8.1.00.0030.00517.38
8.0.300.0020.00519.85
8.0.290.0040.00417.05
8.0.280.0030.00318.39
8.0.270.0000.00717.20
8.0.260.0030.00316.76
8.0.250.0030.00416.92
8.0.240.0050.00516.86
8.0.230.0030.00316.88
8.0.220.0030.00316.79
8.0.210.0070.00316.68
8.0.200.0060.00016.91
8.0.190.0040.00416.88
8.0.180.0000.00816.77
8.0.170.0080.00016.75
8.0.160.0000.00716.81
8.0.150.0050.00316.68
8.0.140.0050.00516.70
8.0.130.0000.00813.26
8.0.120.0080.00016.81
8.0.110.0000.00816.68
8.0.100.0040.00416.80
8.0.90.0070.00016.93
8.0.80.0100.01316.75
8.0.70.0040.00416.84
8.0.60.0050.00316.90
8.0.50.0040.00416.69
8.0.30.0110.01116.95
8.0.20.0110.00717.40
8.0.10.0050.00216.96
8.0.00.0120.00716.70
7.4.330.0020.00216.78
7.4.320.0040.00416.52
7.4.300.0020.00516.52
7.4.290.0000.00716.50
7.4.280.0070.00316.55
7.4.270.0080.00016.52
7.4.260.0000.00513.39
7.4.250.0000.00816.59
7.4.240.0030.00516.59
7.4.230.0040.00416.58
7.4.220.0100.01016.52
7.4.210.0080.00816.58
7.4.200.0000.00716.51
7.4.190.0030.00316.60
7.4.160.0090.01216.32
7.4.150.0090.01317.40
7.4.140.0090.00717.86
7.4.130.0130.00716.42
7.4.120.0040.01316.59
7.4.110.0130.00616.51
7.4.100.0180.00416.39
7.4.90.0100.01316.41
7.4.80.0100.00719.39
7.4.70.0030.01616.65
7.4.60.0130.00316.43
7.4.50.0040.00416.55
7.4.40.0050.00922.77
7.4.30.0110.00516.54
7.4.00.0050.01014.94
7.3.330.0000.00513.21
7.3.320.0090.00413.30
7.3.310.0000.00716.48
7.3.300.0040.00316.37
7.3.290.0090.00716.54
7.3.280.0060.00916.43
7.3.270.0060.01217.40
7.3.260.0120.00718.24
7.3.250.0090.00916.49
7.3.240.0030.01416.64
7.3.230.0030.01516.63
7.3.210.0100.00716.55
7.3.200.0090.01319.39
7.3.190.0150.00816.44
7.3.180.0000.01516.44
7.3.170.0030.01516.45
7.3.160.0080.00816.40
7.3.120.0060.01114.87
7.3.110.0110.00714.78
7.3.100.0120.00014.82
7.3.90.0100.00714.98
7.3.80.0060.00614.77
7.3.70.0090.00914.45
7.3.60.0040.00714.55
7.3.50.0030.01014.80
7.3.40.0090.00614.89
7.3.30.0100.00314.69
7.3.20.0030.00916.52
7.3.10.0090.00516.68
7.3.00.0050.00616.66
7.2.330.0130.00316.64
7.2.320.0030.01316.55
7.2.310.0090.00816.66
7.2.300.0060.00916.72
7.2.290.0050.01416.69
7.2.250.0060.00614.67
7.2.240.0060.00915.09
7.2.230.0030.01314.85
7.2.220.0060.01215.11
7.2.210.0120.00614.54
7.2.200.0070.00714.96
7.2.190.0000.01014.97
7.2.180.0000.01215.05
7.2.170.0000.01315.01
7.2.130.0070.01016.53
7.2.120.0030.00816.65
7.2.110.0090.00616.89
7.2.100.0030.01416.81
7.2.90.0030.01016.61
7.2.80.0130.00316.84
7.2.70.0040.00816.96
7.2.60.0100.00316.79
7.2.50.0000.01316.85
7.2.40.0030.00916.88
7.2.30.0060.00616.65
7.2.20.0100.00316.80
7.2.10.0030.01116.80
7.2.00.0030.00818.16
7.1.330.0030.01015.84
7.1.320.0090.00015.52
7.1.310.0080.00415.91
7.1.300.0080.00415.69
7.1.290.0040.01115.73
7.1.280.0000.01315.86
7.1.270.0030.01015.55
7.1.260.0060.00615.98
7.1.250.0000.00815.79
7.1.200.0040.01115.81
7.1.100.0090.00318.21
7.1.70.0070.00416.87
7.1.60.0070.01519.40
7.1.50.0000.01716.96
7.1.00.0030.03322.30
7.0.200.0090.00516.60
7.0.140.0030.07322.04
7.0.110.0200.06020.03
7.0.100.0100.05019.96
7.0.90.0130.05320.06
7.0.80.0100.04019.94
7.0.70.0100.03719.92
7.0.60.0100.04019.95
7.0.50.0030.04019.93
7.0.40.0070.04019.76
7.0.30.0070.03719.75
7.0.20.0070.03319.88
7.0.10.0100.07019.84
7.0.00.0070.03719.84
5.6.280.0000.07721.09
5.6.260.0070.08020.75
5.6.250.0070.05320.60
5.6.240.0100.04020.48
5.6.230.0100.03720.67
5.6.220.0000.04320.55
5.6.210.0130.05720.61
5.6.200.0100.03720.66
5.6.190.0000.04720.86
5.6.180.0030.04020.57
5.6.170.0100.06320.57
5.6.160.0030.03720.63
5.6.150.0000.04020.63
5.6.140.0030.04020.70
5.6.130.0030.04320.47
5.6.120.0030.05320.59
5.6.110.0070.05020.62
5.6.100.0000.05320.60
5.6.90.0070.04020.67
5.6.80.0030.04020.03
5.6.70.0030.04020.05
5.6.60.0070.03720.04
5.6.50.0100.04020.03
5.6.40.0070.03720.07
5.6.30.0000.05020.22
5.6.20.0070.03719.98
5.6.10.0170.05319.92
5.6.00.0070.03719.98
5.5.380.0030.05717.69
5.5.370.0100.03717.69
5.5.360.0030.04717.68
5.5.350.0030.03717.65
5.5.340.0070.04317.93
5.5.330.0070.03718.26
5.5.320.0000.05717.91
5.5.310.0030.04018.09
5.5.300.0000.05717.93
5.5.290.0070.03717.91
5.5.280.0070.04318.13
5.5.270.0000.06017.82
5.5.260.0030.04017.92
5.5.250.0030.04018.06
5.5.240.0000.04017.46
5.5.230.0070.06317.29
5.5.220.0000.04017.29
5.5.210.0070.04017.31
5.5.200.0000.04717.19
5.5.190.0070.07017.45
5.5.180.0030.08017.31
5.5.160.0130.06717.45
5.5.150.0070.08017.27
5.5.140.0070.07717.43
5.5.130.0100.06717.18
5.5.120.0030.07717.57
5.5.110.0130.05717.39
5.5.100.0030.04317.48
5.5.90.0030.07717.21
5.5.80.0030.05317.30
5.5.70.0100.06717.34
5.5.60.0130.07317.37
5.5.50.0100.06717.31
5.5.40.0170.06317.17
5.5.30.0070.07717.33
5.5.20.0100.07317.31
5.5.10.0100.07317.31
5.5.00.0030.07717.33
5.4.450.0030.08019.57
5.4.440.0100.03319.42
5.4.430.0070.03319.33
5.4.420.0030.04019.32
5.4.410.0000.04019.14
5.4.400.0070.03318.95
5.4.390.0130.02719.01
5.4.380.0070.03319.09
5.4.370.0030.05319.01
5.4.360.0070.03319.18
5.4.350.0030.04319.24
5.4.340.0200.07319.37
5.4.320.0070.05719.03
5.4.310.0030.08018.95
5.4.300.0100.05019.16
5.4.290.0030.08019.33
5.4.280.0000.08019.00
5.4.270.0030.08719.00
5.4.260.0100.06719.34
5.4.250.0170.04719.02
5.4.240.0070.03719.30
5.4.230.0000.05718.94
5.4.220.0170.07019.31
5.4.210.0100.04319.00
5.4.200.0070.06019.02
5.4.190.0030.07719.17
5.4.180.0100.07319.00
5.4.170.0100.08018.99
5.4.160.0130.06719.29
5.4.150.0100.08019.02
5.4.140.0130.07016.43
5.4.130.0070.05716.48
5.4.120.0130.06716.43
5.4.110.0000.04316.42
5.4.100.0130.07316.54
5.4.90.0170.05716.54
5.4.80.0030.05016.59
5.4.70.0070.05316.40
5.4.60.0100.06716.56
5.4.50.0000.03316.41
5.4.40.0100.03016.62
5.4.30.0070.03716.46
5.4.20.0070.06316.49
5.4.10.0070.08316.47
5.4.00.0170.05716.04
5.3.290.0100.07314.66
5.3.280.0130.07314.61
5.3.270.0070.05314.62
5.3.260.0070.06314.59
5.3.250.0130.06314.62
5.3.240.0070.06714.71
5.3.230.0000.04714.73
5.3.220.0100.04014.58
5.3.210.0100.06714.69
5.3.200.0070.06314.52
5.3.190.0100.03314.69
5.3.180.0030.07714.57
5.3.170.0070.03314.52
5.3.160.0000.09314.55
5.3.150.0030.04014.56
5.3.140.0070.07714.58
5.3.130.0000.04314.68
5.3.120.0070.07314.40
5.3.110.0200.06714.57
5.3.100.0100.03714.13
5.3.90.0100.07013.88
5.3.80.0200.06014.02
5.3.70.0030.08014.15
5.3.60.0030.07013.96
5.3.50.0070.07313.92
5.3.40.0100.07014.02
5.3.30.0100.07013.90
5.3.20.0070.07013.78
5.3.10.0100.06713.66
5.3.00.0030.07313.63
5.2.170.0070.03011.88
5.2.160.0070.03311.88
5.2.150.0070.06311.88
5.2.140.0030.06711.88
5.2.130.0070.06011.88
5.2.120.0030.05311.88
5.2.110.0000.06711.88
5.2.100.0070.06011.88
5.2.90.0170.04711.88
5.2.80.0070.03711.88
5.2.70.0030.03711.88
5.2.60.0100.05311.88
5.2.50.0070.04711.88
5.2.40.0070.06011.88
5.2.30.0030.07011.88
5.2.20.0100.05711.88
5.2.10.0070.06011.88
5.2.00.0030.04711.88
5.1.60.0070.05311.88
5.1.50.0070.05711.88
5.1.40.0070.03311.88
5.1.30.0030.06011.88
5.1.20.0000.06711.88
5.1.10.0070.05711.88
5.1.00.0030.05011.88
5.0.50.0030.04711.88
5.0.40.0000.04311.88
5.0.30.0000.06311.88
5.0.20.0030.03711.88
5.0.10.0000.04311.88
5.0.00.0030.07011.88
4.4.90.0000.03711.88
4.4.80.0000.04011.88
4.4.70.0000.03311.88
4.4.60.0030.01311.88
4.4.50.0000.03011.88
4.4.40.0030.05711.88
4.4.30.0030.03311.88
4.4.20.0000.03711.88
4.4.10.0000.03711.88
4.4.00.0000.03011.88
4.3.110.0070.01711.88
4.3.100.0030.01711.88
4.3.90.0000.03711.88
4.3.80.0030.05311.85
4.3.70.0070.03311.85
4.3.60.0070.03011.85
4.3.50.0000.03711.85
4.3.40.0070.04711.85
4.3.30.0000.02711.85
4.3.20.0070.03011.85
4.3.10.0000.03711.85
4.3.00.0000.03011.85

preferences:
40.93 ms | 401 KiB | 5 Q