3v4l.org

run code in 300+ PHP versions simultaneously
<?php $message = 'hello'; // Inherit by-reference $example = function () use (&$message) { $message = 'test'; var_dump($message); }; echo $example(); // Inherit by-reference $example2 = function () use ($message) { $message = 'test'; var_dump($message); }; echo $example2();

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)
8.3.40.0070.01418.89
8.3.30.0100.00319.17
8.3.20.0000.00820.25
8.3.10.0080.00021.90
8.3.00.0080.00019.05
8.2.170.0100.00722.96
8.2.160.0100.00722.13
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.79
8.2.110.0040.00419.21
8.2.100.0000.01117.72
8.2.90.0040.00417.78
8.2.80.0030.00518.09
8.2.70.0080.00017.93
8.2.60.0030.00617.80
8.2.50.0040.00418.10
8.2.40.0070.00020.59
8.2.30.0000.00718.07
8.2.20.0040.00417.75
8.2.10.0000.00818.05
8.2.00.0070.00017.81
8.1.270.0080.00024.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00020.76
8.1.230.0040.00820.88
8.1.220.0060.00317.74
8.1.210.0040.00418.94
8.1.200.0060.00317.22
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0050.00318.61
8.1.160.0000.00722.14
8.1.150.0030.00518.88
8.1.140.0060.00319.10
8.1.130.0030.00317.87
8.1.120.0000.00817.40
8.1.110.0040.00417.36
8.1.100.0000.00717.53
8.1.90.0050.00217.36
8.1.80.0070.00017.34
8.1.70.0070.00017.35
8.1.60.0040.00417.55
8.1.50.0080.00017.52
8.1.40.0030.00617.48
8.1.30.0030.00517.48
8.1.20.0000.00817.54
8.1.10.0000.00717.47
8.1.00.0000.00717.55
8.0.300.0000.00719.84
8.0.290.0080.00016.63
8.0.280.0000.00718.43
8.0.270.0040.00417.16
8.0.260.0030.00317.17
8.0.250.0030.00317.00
8.0.240.0070.00017.01
8.0.230.0000.00816.91
8.0.220.0000.00716.88
8.0.210.0030.00316.78
8.0.200.0030.00316.92
8.0.190.0000.00716.94
8.0.180.0040.00416.83
8.0.170.0000.00716.96
8.0.160.0040.00416.79
8.0.150.0000.00716.67
8.0.140.0000.00716.78
8.0.130.0050.00013.28
8.0.120.0060.00316.75
8.0.110.0000.00716.92
8.0.100.0070.00016.87
8.0.90.0000.00716.68
8.0.80.0130.00316.78
8.0.70.0000.00716.91
8.0.60.0030.00516.93
8.0.50.0030.00416.79
8.0.30.0120.00817.01
8.0.20.0130.00717.40
8.0.10.0000.00717.13
8.0.00.0050.01416.99
7.4.330.0050.00015.03
7.4.320.0050.00216.53
7.4.300.0000.00616.59
7.4.290.0030.00316.52
7.4.280.0060.00316.47
7.4.270.0030.00316.61
7.4.260.0000.00716.48
7.4.250.0070.00016.54
7.4.240.0000.00816.63
7.4.230.0000.00716.58
7.4.220.0040.01516.60
7.4.210.0080.01116.47
7.4.200.0000.00816.45
7.4.160.0090.00616.55
7.4.150.0110.00717.40
7.4.140.0120.01017.86
7.4.130.0050.01416.44
7.4.120.0100.00716.51
7.4.110.0060.01216.60
7.4.100.0080.00916.52
7.4.90.0100.00716.68
7.4.80.0090.00919.39
7.4.70.0100.00716.45
7.4.60.0000.01616.49
7.4.50.0050.00016.41
7.4.40.0090.00616.54
7.4.30.0140.00416.61
7.4.00.0030.01215.06
7.3.330.0030.00313.12
7.3.320.0000.00613.12
7.3.310.0030.00316.28
7.3.300.0000.00616.24
7.3.290.0060.00916.28
7.3.280.0050.01116.28
7.3.270.0110.00817.40
7.3.260.0080.00816.34
7.3.250.0110.00616.29
7.3.240.0170.00016.21
7.3.230.0090.00916.39
7.3.210.0100.01316.44
7.3.200.0090.00919.39
7.3.190.0130.00316.17
7.3.180.0070.01016.60
7.3.170.0070.01016.27
7.3.160.0060.00916.35
7.2.330.0140.00316.65
7.2.320.0070.01016.79
7.2.310.0090.01316.72
7.2.300.0070.01016.32
7.2.290.0170.00016.45
7.2.00.0170.00718.98
7.1.100.0000.01318.22
7.1.70.0030.00716.87
7.1.60.0090.01519.46
7.1.50.0130.01017.04
7.1.00.0070.07022.48
7.0.200.0000.00716.87
7.0.140.0070.03721.95
7.0.60.0070.06020.04
7.0.50.0100.04017.86
7.0.40.0030.04320.30
7.0.30.0230.03720.07
7.0.20.0170.09020.25
7.0.10.0130.06320.26
7.0.00.0030.04720.20
5.6.280.0030.07321.05
5.6.210.0030.06020.77
5.6.200.0100.08718.20
5.6.190.0200.03720.61
5.6.180.0070.04020.47
5.6.170.0230.08020.44
5.6.160.0030.04320.54
5.6.150.0000.04018.18
5.6.140.0070.06718.17
5.6.130.0030.06018.21
5.6.120.0100.07021.15
5.6.110.0100.06021.09
5.6.100.0030.05320.99
5.6.90.0070.05321.01
5.6.80.0070.03720.36
5.5.350.4230.04320.36
5.5.340.0100.06017.99
5.5.330.0030.04020.41
5.5.320.0200.04720.24
5.5.310.0370.07720.24
5.5.300.0030.04017.97
5.5.290.0070.08717.98
5.5.280.0070.08720.78
5.5.270.0070.04320.77
5.5.260.0130.07320.88
5.5.250.0130.04020.47
5.5.240.0000.08020.16
5.4.450.0570.06319.48
5.4.440.0170.06019.70
5.4.430.0100.05719.55
5.4.420.0130.05319.56
5.4.410.0130.05019.27
5.4.400.0170.05019.33
5.4.390.0200.05018.59
5.4.380.0270.05318.73
5.4.370.0230.06718.75
5.4.360.0270.07318.78
5.4.350.0200.06018.84
5.4.340.0200.06018.47
5.4.320.0200.06718.56
5.4.310.0130.06018.72
5.4.300.0100.07018.53
5.4.290.0270.06718.78
5.4.280.0200.05318.77
5.4.270.0330.04018.74
5.4.260.0270.05318.48
5.4.250.0270.05318.70
5.4.240.0170.06018.52
5.4.230.0230.04718.58
5.4.220.0200.06018.73
5.4.210.0270.04718.84
5.4.200.0330.04016.80
5.4.190.0130.05718.50
5.4.180.0200.06318.73
5.4.170.0300.04318.75
5.4.160.0230.04718.62
5.4.150.0170.05718.54
5.4.140.0070.06716.31
5.4.130.0200.04716.33
5.4.120.0230.05016.33
5.4.110.0200.05316.34
5.4.100.0170.05316.22
5.4.90.0270.05016.32
5.4.80.0200.05016.25
5.4.70.0170.06016.24
5.4.60.0270.04716.27
5.4.50.0330.03316.23
5.4.40.0100.06716.29
5.4.30.0230.04716.18
5.4.20.0170.06316.27
5.4.10.0300.04316.26
5.4.00.0270.04315.91
5.3.290.0200.06714.87
5.3.280.0330.05714.76
5.3.270.0230.05714.64
5.3.260.0270.05014.64
5.3.250.0200.06014.64
5.3.240.0270.04714.73
5.3.230.0270.05014.77
5.3.220.0170.05714.76
5.3.210.0230.05714.62
5.3.200.0130.06714.73
5.3.190.0230.05014.70
5.3.180.0130.05314.70
5.3.170.0230.06014.73
5.3.160.0130.08714.78
5.3.150.0270.04314.73
5.3.140.0270.05314.57
5.3.130.0230.05314.61
5.3.120.0230.05714.57
5.3.110.0200.05714.64
5.3.100.0230.04714.04
5.3.90.0030.06714.18
5.3.80.0370.05014.14
5.3.70.0130.05714.13
5.3.60.0200.06314.21
5.3.50.0200.06714.20
5.3.40.0200.06314.18
5.3.30.0230.05713.96
5.3.20.0100.05713.74
5.3.10.0400.04713.71
5.3.00.0170.07313.75
5.2.170.0170.04011.29
5.2.160.0100.04711.20
5.2.150.0130.05011.13
5.2.140.0200.05711.17
5.2.130.0130.04711.05
5.2.120.0130.04011.03
5.2.110.0130.04311.03
5.2.100.0230.04011.15
5.2.90.0170.04011.11
5.2.80.0170.04311.13
5.2.70.0130.04311.06
5.2.60.0230.05311.01
5.2.50.0200.04010.99
5.2.40.0100.04311.02
5.2.30.0200.03710.95
5.2.20.0230.03010.99
5.2.10.0130.04010.84
5.2.00.0200.04310.76
5.1.60.0130.0339.97
5.1.50.0200.0309.98
5.1.40.0200.02710.10
5.1.30.0270.03710.35
5.1.20.0100.05710.32
5.1.10.0200.03310.09
5.1.00.0100.04710.09
5.0.50.0070.0308.57
5.0.40.0100.0338.52
5.0.30.0070.0438.27
5.0.20.0070.0378.28
5.0.10.0070.0408.25
5.0.00.0100.0408.24
4.4.90.0030.0275.94
4.4.80.0070.0305.87
4.4.70.0100.0275.90
4.4.60.0070.0305.88
4.4.50.0030.0235.88
4.4.40.0070.0375.88
4.4.30.0000.0275.94
4.4.20.0030.0305.94
4.4.10.0100.0205.97
4.4.00.0130.0305.93
4.3.110.0070.0235.84
4.3.100.0130.0235.84
4.3.90.0030.0235.79
4.3.80.0030.0375.78
4.3.70.0030.0275.77
4.3.60.0070.0305.79
4.3.50.0030.0235.87
4.3.40.0170.0275.75
4.3.30.0030.0334.63
4.3.20.0070.0274.66
4.3.10.0070.0204.48
4.3.00.0130.0178.74

preferences:
43.73 ms | 400 KiB | 5 Q