3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 5; $b = &$a; echo $b++.++$a; echo $b;

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)
8.3.40.0070.00718.84
8.3.30.0140.00419.09
8.3.20.0040.00420.04
8.3.10.0000.00721.93
8.3.00.0040.00422.46
8.2.170.0040.01122.96
8.2.160.0090.00619.21
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0050.00322.31
8.2.100.0070.00719.64
8.2.90.0000.00719.27
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00318.28
8.2.30.0000.00718.01
8.2.20.0040.00417.71
8.2.10.0060.00317.66
8.2.00.0030.00717.66
8.1.270.0070.00022.14
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.97
8.1.230.0080.00319.21
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0000.00817.30
8.1.180.0000.01018.68
8.1.170.0040.00418.71
8.1.160.0030.00522.08
8.1.150.0000.00718.61
8.1.140.0040.00417.35
8.1.130.0000.00717.80
8.1.120.0030.00317.49
8.1.110.0000.00917.51
8.1.100.0000.00717.32
8.1.90.0040.00417.34
8.1.80.0050.00217.46
8.1.70.0000.00717.31
8.1.60.0040.00417.47
8.1.50.0000.00817.34
8.1.40.0040.00417.49
8.1.30.0040.00417.50
8.1.20.0040.00417.61
8.1.10.0070.00017.52
8.1.00.0000.00817.48
8.0.300.0030.00518.77
8.0.290.0030.00317.18
8.0.280.0070.00018.40
8.0.270.0030.00317.30
8.0.260.0000.00716.79
8.0.250.0070.00016.96
8.0.240.0050.00216.84
8.0.230.0000.00716.94
8.0.220.0000.00716.86
8.0.210.0060.00016.75
8.0.200.0060.00016.93
8.0.190.0000.00816.96
8.0.180.0030.00416.78
8.0.170.0050.00216.79
8.0.160.0050.00316.83
8.0.150.0040.00416.79
8.0.140.0000.00816.80
8.0.130.0060.00013.34
8.0.120.0030.00616.84
8.0.110.0000.00716.88
8.0.100.0000.00716.76
8.0.90.0050.00216.74
8.0.80.0100.00616.92
8.0.70.0000.00716.77
8.0.60.0000.00716.87
8.0.50.0040.00416.86
8.0.30.0130.00517.23
8.0.20.0110.01017.40
8.0.10.0000.00816.98
8.0.00.0120.00516.65
7.4.330.0020.00215.00
7.4.320.0000.00616.38
7.4.300.0030.00316.59
7.4.290.0000.00716.56
7.4.280.0030.00316.48
7.4.270.0000.00716.50
7.4.260.0030.00316.37
7.4.250.0040.00416.45
7.4.240.0050.00216.46
7.4.230.0000.00716.45
7.4.220.0060.01116.47
7.4.210.0050.01116.50
7.4.200.0000.00716.30
7.4.190.0070.00016.45
7.4.160.0070.01016.38
7.4.150.0120.00617.40
7.4.140.0140.00817.86
7.4.130.0070.01316.58
7.4.120.0100.00916.41
7.4.110.0080.01016.55
7.4.100.0120.00616.39
7.4.90.0070.01016.45
7.4.80.0070.01019.39
7.4.70.0090.00616.29
7.4.60.0100.00616.44
7.4.50.0000.00816.40
7.4.40.0070.00722.77
7.4.30.0160.00016.49
7.4.00.0070.01114.63
7.3.330.0030.00313.06
7.3.320.0050.00013.09
7.3.310.0000.00716.22
7.3.300.0030.00316.28
7.3.290.0100.00316.32
7.3.280.0100.00716.29
7.3.270.0100.00717.40
7.3.260.0080.00816.39
7.3.250.0110.00616.57
7.3.240.0100.00616.58
7.3.230.0120.00616.39
7.3.210.0140.00316.31
7.3.200.0040.01419.39
7.3.190.0090.00916.52
7.3.180.0100.01316.30
7.3.170.0000.01616.32
7.3.160.0060.00916.51
7.3.120.0060.00614.66
7.3.10.0080.00716.68
7.3.00.0000.01016.54
7.2.330.0060.01216.57
7.2.320.0090.00916.59
7.2.310.0040.01116.69
7.2.300.0100.00716.63
7.2.290.0120.00616.68
7.2.130.0030.00816.79
7.2.120.0050.00716.76
7.2.110.0050.01016.81
7.2.100.0130.00216.82
7.2.90.0030.00816.78
7.2.80.0060.00716.89
7.2.70.0060.00716.83
7.2.60.0050.00816.89
7.2.50.0100.00516.84
7.2.40.0060.00917.03
7.2.30.0030.00916.92
7.2.20.0060.00816.89
7.2.10.0070.00816.78
7.2.00.0050.00717.71
7.1.250.0040.01015.75
7.1.200.0060.00615.74
7.1.100.0030.01018.21
7.1.70.0040.00417.11
7.1.60.0070.01719.82
7.1.50.0100.01417.08
7.1.00.0030.04322.28
7.0.200.0000.00716.71
7.0.140.0070.06722.09
7.0.60.0100.08019.99
7.0.50.0070.08017.84
7.0.40.0130.08020.06
7.0.30.0200.04020.09
7.0.20.0200.08320.32
7.0.10.0100.06020.30
7.0.00.0100.06720.09
5.6.280.0070.06721.12
5.6.210.0000.09020.66
5.6.200.0070.07718.16
5.6.190.0030.04720.56
5.6.180.0200.05720.78
5.6.170.0370.06720.53
5.6.160.0030.07720.46
5.6.150.0130.05318.18
5.6.140.0130.07718.18
5.6.130.0030.04718.16
5.6.120.0030.04721.02
5.6.110.0030.06020.98
5.6.100.0130.06021.10
5.6.90.0030.08321.02
5.6.80.0000.05320.36
5.6.70.0030.08020.34
5.5.350.0100.03720.41
5.5.340.0070.04318.02
5.5.330.0100.06320.36
5.5.320.0300.07720.29
5.5.310.0270.04720.45
5.5.300.0100.07018.01
5.5.290.0070.05017.88
5.5.280.0130.08020.89
5.5.270.0070.04720.75
5.5.260.0100.08320.76
5.5.250.0130.05720.69
5.5.240.0270.08020.35
5.4.450.0270.05019.55
5.4.440.0230.04719.39
5.4.430.0170.05319.10
5.4.420.0270.03719.20
5.4.410.0170.05719.43
5.4.400.0200.03719.16
5.4.390.0100.04319.13
5.4.380.0100.04319.24
5.4.370.0270.07718.82
5.4.360.0170.04318.80
5.4.350.0200.06018.93
5.4.340.0100.04319.24
5.4.320.0100.06318.93
5.4.310.0230.04019.13
5.4.300.0230.06319.09
5.4.290.0230.04318.91
5.4.280.0170.03719.21
5.4.270.0200.03319.10
5.4.260.0270.03019.20
5.4.250.0200.06718.88
5.4.240.0130.04019.13
5.4.230.0130.08019.05
5.4.220.0270.04719.12
5.4.210.0170.04019.11
5.4.200.0230.06319.08
5.4.190.0100.05018.92
5.4.180.0170.03718.87
5.4.170.0200.07319.20
5.4.160.0200.03718.77
5.4.150.0170.06019.22
5.4.140.0200.06716.47
5.4.130.0230.04716.54
5.4.120.0130.05016.26
5.4.110.0200.04316.41
5.4.100.0170.07016.43
5.4.90.0170.03316.41
5.4.80.0130.03716.36
5.4.70.0170.06016.17
5.4.60.0270.05716.38
5.4.50.0170.05716.38
5.4.40.0230.05316.43
5.4.30.0270.06316.43
5.4.20.0170.04316.38
5.4.10.0130.03716.43
5.4.00.0100.04015.88
5.3.290.0170.04014.50
5.3.280.0100.05314.43
5.3.270.0270.07014.70
5.3.260.0170.03714.62
5.3.250.0270.06314.54
5.3.240.0300.05314.43
5.3.230.0230.05314.54
5.3.220.0170.07014.54
5.3.210.0170.04314.41
5.3.200.0200.03314.44
5.3.190.0170.04014.51
5.3.180.0170.04714.40
5.3.170.0100.05014.39
5.3.160.0200.05314.51
5.3.150.0170.04314.39
5.3.140.0230.04014.60
5.3.130.0130.04014.38
5.3.120.0230.08014.45
5.3.110.0200.07714.59
5.3.100.0270.05313.98
5.3.90.0070.07013.89
5.3.80.0130.04013.98
5.3.70.0130.05713.95
5.3.60.0300.05313.94
5.3.50.0230.02713.77
5.3.40.0270.06313.74
5.3.30.0170.06313.85
5.3.20.0230.06313.62
5.3.10.0200.06713.61
5.3.00.0200.06713.54
5.2.170.0170.06011.20
5.2.160.0200.04311.30
5.2.150.0230.02711.22
5.2.140.0130.05711.20
5.2.130.0170.03711.20
5.2.120.0100.03311.20
5.2.110.0070.04011.20
5.2.100.0070.03311.20
5.2.90.0170.04311.20
5.2.80.0170.03711.20
5.2.70.0130.05311.20
5.2.60.0170.06311.20
5.2.50.0200.04311.20
5.2.40.0170.03011.20
5.2.30.0030.04011.20
5.2.20.0170.04711.20
5.2.10.0070.03711.20
5.2.00.0070.03311.20
5.1.60.0100.02311.20
5.1.50.0130.02711.20
5.1.40.0100.05311.20
5.1.30.0400.04711.20
5.1.20.0100.03311.20
5.1.10.0170.02711.20
5.1.00.0200.04711.20
5.0.50.0070.02311.20
5.0.40.0100.04011.20
5.0.30.0070.06711.20
5.0.20.0070.03311.20
5.0.10.0070.02011.20
5.0.00.0130.06311.20
4.4.90.0070.02311.20
4.4.80.0100.03311.20
4.4.70.0070.03311.20
4.4.60.0070.02311.20
4.4.50.0070.02311.20
4.4.40.0100.02311.20
4.4.30.0070.03311.20
4.4.20.0030.03011.20
4.4.10.0130.02711.20
4.4.00.0130.02711.20
4.3.110.0100.01311.20
4.3.100.0070.03311.20
4.3.90.0000.02011.20
4.3.80.0070.02311.20
4.3.70.0030.01711.20
4.3.60.0070.01711.20
4.3.50.0070.01711.20
4.3.40.0070.05311.20
4.3.30.0070.02011.20
4.3.20.0030.03711.20
4.3.10.0070.03011.20
4.3.00.0070.03311.20

preferences:
44.03 ms | 400 KiB | 5 Q