3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$var) { $var++; var_dump($var); } $a=5; var_dump($a); foo($a); var_dump($a); // $a is 6 here ?>

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)
8.3.40.0090.00618.76
8.3.30.0040.01118.84
8.3.20.0100.00720.21
8.3.10.0040.01121.88
8.3.00.0040.00817.37
8.2.170.0060.00922.96
8.2.160.0040.01120.19
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00819.52
8.2.110.0030.00721.09
8.2.100.0070.00417.63
8.2.90.0070.00019.18
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0000.00817.92
8.2.50.0080.00018.07
8.2.40.0050.00318.32
8.2.30.0040.00418.06
8.2.20.0070.00017.74
8.2.10.0040.00417.89
8.2.00.0000.00717.68
8.1.270.0050.00520.55
8.1.260.0100.00026.35
8.1.250.0030.00528.09
8.1.240.0060.00323.80
8.1.230.0110.00019.05
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0000.00917.22
8.1.190.0060.00317.10
8.1.180.0050.00318.10
8.1.170.0040.00420.30
8.1.160.0000.00721.95
8.1.150.0070.00018.81
8.1.140.0040.00417.25
8.1.130.0000.00717.87
8.1.120.0030.00417.36
8.1.110.0040.00417.29
8.1.100.0000.00817.40
8.1.90.0030.00317.35
8.1.80.0000.00717.36
8.1.70.0070.00017.28
8.1.60.0060.00317.57
8.1.50.0020.00517.53
8.1.40.0000.01117.41
8.1.30.0040.00417.52
8.1.20.0080.00017.55
8.1.10.0000.00717.48
8.1.00.0000.01117.41
8.0.300.0040.00418.77
8.0.290.0030.00316.63
8.0.280.0030.00318.29
8.0.270.0030.00317.10
8.0.260.0060.00017.06
8.0.250.0000.00716.73
8.0.240.0000.00616.77
8.0.230.0050.00316.95
8.0.220.0080.00016.84
8.0.210.0000.00716.72
8.0.200.0030.00316.87
8.0.190.0040.00416.85
8.0.180.0070.00016.85
8.0.170.0000.00816.74
8.0.160.0040.00416.79
8.0.150.0070.00016.80
8.0.140.0070.00016.79
8.0.130.0030.00313.27
8.0.120.0040.00416.79
8.0.110.0000.00716.66
8.0.100.0040.00416.86
8.0.90.0030.00316.73
8.0.80.0100.00716.88
8.0.70.0040.00416.73
8.0.60.0000.00716.67
8.0.50.0020.00516.63
8.0.30.0130.00417.11
8.0.20.0110.01017.40
8.0.10.0030.00616.98
8.0.00.0090.00816.63
7.4.330.0000.00515.03
7.4.320.0030.00316.42
7.4.300.0030.00316.54
7.4.290.0030.00316.55
7.4.280.0000.00816.46
7.4.270.0080.00016.57
7.4.260.0000.00716.53
7.4.250.0000.00816.44
7.4.240.0050.00316.54
7.4.230.0070.00016.50
7.4.220.0120.00616.68
7.4.210.0050.01216.60
7.4.200.0030.00416.33
7.4.160.0040.01216.30
7.4.150.0110.00817.40
7.4.140.0190.00817.86
7.4.130.0050.01216.41
7.4.120.0110.00616.44
7.4.110.0030.01716.35
7.4.100.0060.01816.43
7.4.90.0120.00616.41
7.4.80.0030.01419.39
7.4.70.0100.00716.51
7.4.60.0120.00316.33
7.4.50.0040.00416.56
7.4.40.0090.00916.41
7.4.30.0130.01016.55
7.4.00.0030.01015.09
7.3.330.0060.00013.18
7.3.320.0120.00613.07
7.3.310.0070.00016.08
7.3.300.0040.00416.23
7.3.290.0000.00716.24
7.3.280.0080.00916.26
7.3.270.0110.00617.40
7.3.260.0100.01016.29
7.3.250.0170.00616.29
7.3.240.0140.00416.52
7.3.230.0130.00316.39
7.3.210.0100.00616.32
7.3.200.0040.02019.39
7.3.190.0130.00316.24
7.3.180.0080.00916.38
7.3.170.0120.00916.27
7.3.160.0030.01216.19
7.3.10.0110.00416.89
7.3.00.0000.01216.79
7.2.330.0090.00916.56
7.2.320.0060.01116.61
7.2.310.0120.00616.77
7.2.300.0150.00316.69
7.2.290.0120.00916.46
7.2.130.0090.00316.84
7.2.120.0060.00616.54
7.2.110.0070.00416.55
7.2.100.0060.00616.73
7.2.90.0050.00516.57
7.2.80.0100.00316.78
7.2.70.0060.00916.77
7.2.60.0050.00816.74
7.2.50.0090.00316.77
7.2.40.0070.00416.91
7.2.30.0070.00716.79
7.2.20.0040.00716.80
7.2.10.0100.00316.74
7.2.00.0070.00518.00
7.1.250.0150.00015.82
7.1.200.0060.00615.71
7.1.100.0040.00818.20
7.1.70.0040.00817.21
7.1.60.0040.01519.46
7.1.50.0030.01917.07
7.1.00.0070.07322.43
7.0.200.0090.00316.46
7.0.140.0070.07322.01
7.0.70.4630.04319.96
7.0.60.0070.04019.95
7.0.50.0070.07717.80
7.0.40.0070.07720.16
7.0.30.0130.04320.26
7.0.20.0370.05320.27
7.0.10.0270.06720.19
7.0.00.0030.07320.24
5.6.280.0000.07720.91
5.6.210.0100.07720.72
5.6.200.0070.08018.18
5.6.190.0030.05020.57
5.6.180.0270.03720.48
5.6.170.0300.07320.55
5.6.160.0100.06020.50
5.6.150.0030.08018.16
5.6.140.0100.04718.18
5.6.130.0070.08718.15
5.6.120.0070.04320.98
5.6.110.0070.04021.02
5.6.100.0130.07721.14
5.6.90.0100.08021.07
5.6.80.0170.07020.52
5.6.70.0330.07020.29
5.5.350.0100.06320.33
5.5.340.0070.08017.99
5.5.330.0000.04720.47
5.5.320.0030.04020.31
5.5.310.0370.06020.26
5.5.300.0100.07717.92
5.5.290.0170.07317.92
5.5.280.0130.06320.77
5.5.270.0030.04720.69
5.5.260.0070.09020.84
5.5.250.0100.06320.58
5.5.240.0070.04020.37
5.4.450.0230.05019.41
5.4.440.0100.07019.61
5.4.430.0370.04719.57
5.4.420.0200.05319.58
5.4.410.0170.06019.03
5.4.400.0270.04318.80
5.4.390.0230.04718.63
5.4.380.0200.07318.75
5.4.370.0170.06718.70
5.4.360.0170.05318.47
5.4.350.0200.05718.73
5.4.340.0170.05318.76
5.4.320.0170.05318.54
5.4.310.0070.06318.67
5.4.300.0200.04718.73
5.4.290.0170.05018.58
5.4.280.0130.05318.72
5.4.270.0200.05318.61
5.4.260.0100.05718.75
5.4.250.0130.05718.48
5.4.240.0170.05318.68
5.4.230.0270.04318.77
5.4.220.0170.05718.73
5.4.210.0200.05018.43
5.4.200.0130.07016.54
5.4.190.0230.04718.75
5.4.180.0270.04318.51
5.4.170.0230.04718.69
5.4.160.0200.05018.69
5.4.150.0100.06018.48
5.4.140.0100.06316.34
5.4.130.0130.05016.25
5.4.120.0200.04316.28
5.4.110.0130.04716.31
5.4.100.0230.04316.27
5.4.90.0200.04716.29
5.4.80.0130.06016.27
5.4.70.0130.05316.18
5.4.60.0200.04316.20
5.4.50.0100.05316.15
5.4.40.0300.06016.28
5.4.30.0130.05016.29
5.4.20.0170.05316.23
5.4.10.0230.04016.40
5.4.00.0200.04315.62
5.3.290.0330.04714.70
5.3.280.0170.05014.77
5.3.270.0170.05014.73
5.3.260.0270.04314.62
5.3.250.0200.05714.63
5.3.240.0100.06014.74
5.3.230.0300.04314.70
5.3.220.0170.05014.60
5.3.210.0130.05714.61
5.3.200.0200.04314.67
5.3.190.0200.04714.59
5.3.180.0200.04714.74
5.3.170.0170.06714.58
5.3.160.0100.06014.73
5.3.150.0170.05314.70
5.3.140.0170.05014.53
5.3.130.0170.05314.59
5.3.120.0170.05314.65
5.3.110.0300.04314.77
5.3.100.0100.05714.26
5.3.90.0270.04014.02
5.3.80.0170.05014.11
5.3.70.0130.05314.15
5.3.60.0230.04314.00
5.3.50.0200.04713.97
5.3.40.0100.05713.97
5.3.30.0200.04714.03
5.3.20.0070.06013.75
5.3.10.0170.05013.71
5.3.00.0230.05013.76
5.2.170.0170.03711.18
5.2.160.0070.04711.18
5.2.150.0100.04311.24
5.2.140.0130.04011.15
5.2.130.0100.04311.13
5.2.120.0130.03711.14
5.2.110.0170.04011.20
5.2.100.0170.03311.17
5.2.90.0200.03311.10
5.2.80.0170.03711.20
5.2.70.0100.04311.14
5.2.60.0230.03011.15
5.2.50.0200.05311.12
5.2.40.0130.05311.05
5.2.30.0100.04311.07
5.2.20.0070.04311.02
5.2.10.0130.04010.88
5.2.00.0130.03710.95
5.1.60.0070.03710.20
5.1.50.0100.0339.98
5.1.40.0070.03710.00
5.1.30.0070.04010.43
5.1.20.0170.03310.58
5.1.10.0030.04710.21
5.1.00.0130.03310.05
5.0.50.0030.0338.61
5.0.40.0100.0238.43
5.0.30.0070.0438.23
5.0.20.0100.0238.22
5.0.10.0130.0308.36
5.0.00.0030.0478.19
4.4.90.0070.0235.89
4.4.80.0130.0205.88
4.4.70.0000.0275.91
4.4.60.0030.0235.87
4.4.50.0070.0205.89
4.4.40.0070.0335.91
4.4.30.0070.0235.88
4.4.20.0070.0235.93
4.4.10.0100.0236.05
4.4.00.0100.0305.95
4.3.110.0030.0235.95
4.3.100.0070.0205.82
4.3.90.0000.0275.87
4.3.80.0000.0405.86
4.3.70.0030.0205.79
4.3.60.0070.0205.82
4.3.50.0070.0205.84
4.3.40.0070.0375.84
4.3.30.0070.0204.63
4.3.20.0070.0204.54
4.3.10.0070.0204.60
4.3.00.0170.0206.96

preferences:
53.22 ms | 400 KiB | 5 Q