3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; #$b=&$a; echo (++$a);echo ($a++) ;

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)
8.3.40.0150.00618.65
8.3.30.0060.00920.03
8.3.20.0040.00420.38
8.3.10.0070.00020.95
8.3.00.0000.00723.66
8.2.170.0140.00422.96
8.2.160.0100.00320.43
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00020.99
8.2.110.0040.00420.34
8.2.100.0080.00317.77
8.2.90.0070.00019.26
8.2.80.0000.00719.18
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0040.00419.84
8.2.30.0070.00019.40
8.2.20.0070.00017.55
8.2.10.0000.00717.59
8.2.00.0070.00017.52
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00522.59
8.1.230.0040.00720.89
8.1.220.0000.00818.77
8.1.210.0000.00918.83
8.1.200.0090.00017.13
8.1.190.0000.00717.48
8.1.180.0040.00418.10
8.1.170.0070.00018.58
8.1.160.0040.00418.81
8.1.150.0000.00718.62
8.1.140.0040.00417.39
8.1.130.0000.00717.68
8.1.120.0050.00217.38
8.1.110.0000.00717.36
8.1.100.0070.00017.44
8.1.90.0040.00417.38
8.1.80.0040.00417.26
8.1.70.0080.00017.36
8.1.60.0040.00417.55
8.1.50.0020.00517.29
8.1.40.0030.00517.49
8.1.30.0030.00617.40
8.1.20.0000.00817.58
8.1.10.0000.00717.48
8.1.00.0040.00417.43
8.0.300.0040.00419.95
8.0.290.0000.00717.05
8.0.280.0080.00018.30
8.0.270.0000.00717.16
8.0.260.0000.00816.82
8.0.250.0000.00716.88
8.0.240.0040.00416.91
8.0.230.0000.00716.74
8.0.220.0060.00016.78
8.0.210.0030.00616.80
8.0.200.0030.00316.86
8.0.190.0080.00016.90
8.0.180.0000.00816.75
8.0.170.0000.00816.87
8.0.160.0000.00716.88
8.0.150.0030.00316.71
8.0.140.0030.00816.66
8.0.130.0050.00013.20
8.0.120.0000.00816.68
8.0.110.0070.00016.87
8.0.100.0000.00716.71
8.0.90.0040.00416.70
8.0.80.0130.00316.86
8.0.70.0040.00416.77
8.0.60.0040.00316.82
8.0.50.0030.00516.59
8.0.30.0130.01217.14
8.0.20.0120.00617.40
8.0.10.0000.00716.80
8.0.00.0070.01416.78
7.4.330.0040.00015.03
7.4.320.0030.00316.44
7.4.300.0030.00316.50
7.4.290.0040.00416.51
7.4.280.0040.00416.45
7.4.270.0030.00316.36
7.4.260.0050.00013.19
7.4.250.0040.00416.42
7.4.240.0040.00416.51
7.4.230.0040.00416.33
7.4.220.0110.00816.46
7.4.210.0120.00316.51
7.4.200.0070.00016.55
7.4.190.0000.00716.61
7.4.160.0080.00816.36
7.4.150.0070.01017.40
7.4.140.0160.00517.86
7.4.130.0090.00816.36
7.4.120.0090.01116.36
7.4.110.0100.00616.48
7.4.100.0100.00716.23
7.4.90.0180.00616.45
7.4.80.0130.00319.39
7.4.70.0100.00716.50
7.4.60.0090.00816.55
7.4.50.0040.00416.59
7.4.40.0000.01622.77
7.4.30.0120.01116.38
7.4.00.0090.00614.65
7.3.330.0000.00613.12
7.3.320.0000.00513.04
7.3.310.0000.00616.32
7.3.300.0000.00716.18
7.3.290.0100.01016.10
7.3.280.0040.01116.19
7.3.270.0070.01117.40
7.3.260.0070.01018.24
7.3.250.0070.01216.39
7.3.240.0080.00816.35
7.3.230.0040.01416.49
7.3.210.0090.00616.49
7.3.200.0120.00619.39
7.3.190.0170.00316.14
7.3.180.0130.00916.25
7.3.170.0060.00916.40
7.3.160.0070.01016.57
7.3.120.0110.00314.50
7.2.330.0110.01116.50
7.2.320.0150.00916.57
7.2.310.0180.00016.64
7.2.300.0030.01516.58
7.2.290.0120.00316.38
7.2.00.0070.00319.16
7.1.200.0070.00715.69
7.1.100.0060.00618.00
7.1.70.0250.00317.04
7.1.60.0070.01719.17
7.1.50.0100.01316.89
7.1.00.0030.04322.32
7.0.200.0050.00316.46
7.0.140.0030.07722.21
7.0.100.0130.04020.00
7.0.90.0130.07019.84
7.0.80.0330.08319.96
7.0.70.0030.07020.00
7.0.60.0030.07020.01
7.0.50.0000.08020.30
7.0.40.0100.06020.11
7.0.30.0070.08720.05
7.0.20.0130.08020.08
7.0.10.0070.05019.99
7.0.00.0130.07320.05
5.6.280.0100.07020.90
5.6.250.0070.04020.59
5.6.240.0030.08720.66
5.6.230.0200.07720.74
5.6.220.0100.07720.48
5.6.210.0070.08320.59
5.6.200.0100.08021.08
5.6.190.0070.07321.10
5.6.180.0070.07321.03
5.6.170.0100.08020.95
5.6.160.0070.08320.95
5.6.150.0200.03321.17
5.6.140.0200.05721.01
5.6.130.0170.08020.95
5.6.120.0130.08021.08
5.6.110.0100.05021.01
5.6.100.0130.07721.14
5.6.90.0130.07021.03
5.6.80.0030.08720.34
5.6.70.0130.07720.41
5.6.60.0130.07020.53
5.6.50.0070.06720.48
5.6.40.0070.06720.41
5.6.30.0070.05020.49
5.6.20.0070.06020.45
5.6.10.0070.08020.39
5.6.00.0130.07720.41
5.5.380.0030.05720.38
5.5.370.0100.06320.54
5.5.360.0100.06020.44
5.5.350.0070.08020.39
5.5.340.0130.07720.82
5.5.330.0030.08020.91
5.5.320.0130.07720.77
5.5.310.0170.06720.89
5.5.300.0070.08320.76
5.5.290.0000.09020.77
5.5.280.0070.04720.89
5.5.270.0100.08020.89
5.5.260.0130.08720.91
5.5.250.0100.08720.45
5.5.240.0130.06320.17
5.5.230.0100.05320.17
5.5.220.0000.04320.19
5.5.210.0070.06020.01
5.5.200.0170.07020.12
5.5.190.0070.07320.20
5.5.180.0070.08020.20
5.5.160.0100.07720.26
5.5.150.0000.08720.26
5.5.140.0100.08020.20
5.5.130.0070.06320.23
5.5.120.0070.08020.21
5.5.110.0100.08019.94
5.5.100.0100.07320.15
5.5.90.0070.07020.06
5.5.80.0200.08020.03
5.5.70.0000.05320.17
5.5.60.0100.07720.07
5.5.50.0030.04320.05
5.5.40.0100.07320.07
5.5.30.0030.08320.02
5.5.20.0030.04719.95
5.5.10.0070.07719.96
5.5.00.0130.07019.96
5.4.450.0030.08719.44
5.4.440.0070.04319.26
5.4.430.0130.07019.28
5.4.420.0170.06719.39
5.4.410.0070.07719.22
5.4.400.0300.06019.10
5.4.390.0130.07318.81
5.4.380.0130.06318.79
5.4.370.0000.08719.03
5.4.360.0030.08019.03
5.4.350.0030.08019.05
5.4.340.0170.07018.95
5.4.320.0070.06319.11
5.4.310.0070.05019.05
5.4.300.0070.07318.89
5.4.290.0070.08018.97
5.4.280.0030.08019.11
5.4.270.0070.05318.99
5.4.260.0130.07019.06
5.4.250.0070.09318.89
5.4.240.0030.08318.93
5.4.230.0130.07018.78
5.4.220.0100.07018.82
5.4.210.0070.08019.09
5.4.200.0030.06719.13
5.4.190.0100.07319.13
5.4.180.0070.06718.91
5.4.170.0070.06018.95
5.4.160.0100.07719.00
5.4.150.0030.04719.05
5.4.140.0030.07716.23
5.4.130.0130.06716.33
5.4.120.0070.04016.27
5.4.110.0200.05716.21
5.4.100.0070.04316.44
5.4.90.0200.06016.33
5.4.80.0070.07716.20
5.4.70.0130.05016.43
5.4.60.0070.07316.38
5.4.50.0030.07716.23
5.4.40.0030.07316.33
5.4.30.0030.05316.33
5.4.20.0200.04316.22
5.4.10.0100.07016.34
5.4.00.0070.06315.77
5.3.290.0070.07714.63
5.3.280.0100.07014.56
5.3.270.0070.05014.44
5.3.260.0170.07014.57
5.3.250.0070.07714.59
5.3.240.0170.06714.59
5.3.230.0100.07014.55
5.3.220.0100.07014.42
5.3.210.0000.05014.39
5.3.200.0100.06714.42
5.3.190.0070.07014.54
5.3.180.0130.07014.52
5.3.170.0000.07314.39
5.3.160.0030.06014.55
5.3.150.0170.06714.41
5.3.140.0130.06714.41
5.3.130.0100.07014.48
5.3.120.0100.07014.55
5.3.110.0130.06314.50
5.3.100.0030.08013.97
5.3.90.0030.07713.96
5.3.80.0070.07713.97
5.3.70.0100.07713.99
5.3.60.0070.05313.92
5.3.50.0030.07013.93
5.3.40.0130.07313.89
5.3.30.0130.07313.86
5.3.20.0070.05313.63
5.3.10.0100.06713.44
5.3.00.0070.07313.62
5.2.170.0070.05312.25
5.2.160.0130.04312.25
5.2.150.0000.06012.25
5.2.140.0030.05012.25
5.2.130.0070.06312.25
5.2.120.0030.06012.25
5.2.110.0070.03012.25
5.2.100.0030.03312.25
5.2.90.0070.06012.25
5.2.80.0030.03712.25
5.2.70.0070.06012.25
5.2.60.0030.04012.25
5.2.50.0030.06312.25
5.2.40.0030.06012.25
5.2.30.0070.04012.25
5.2.20.0030.02712.25
5.2.10.0000.04312.25
5.2.00.0030.06012.25
5.1.60.0000.02712.25
5.1.50.0070.04312.25
5.1.40.0030.03312.25
5.1.30.0100.05012.25
5.1.20.0000.05012.25
5.1.10.0030.05712.25
5.1.00.0030.04012.25
5.0.50.0030.04712.25
5.0.40.0000.05012.25
5.0.30.0000.06712.25
5.0.20.0030.03712.25
5.0.10.0000.03012.25
5.0.00.0070.06012.25
4.4.90.0070.02312.25
4.4.80.0000.02012.25
4.4.70.0070.03012.25
4.4.60.0000.03712.25
4.4.50.0070.02712.25
4.4.40.0030.04012.25
4.4.30.0070.01712.25
4.4.20.0000.02312.25
4.4.10.0030.03312.25
4.4.00.0070.04712.25
4.3.110.0030.02012.25
4.3.100.0030.03012.25
4.3.90.0000.03312.25
4.3.80.0000.05712.25
4.3.70.0000.03312.25
4.3.60.0030.03312.25
4.3.50.0030.01712.25
4.3.40.0070.04012.25
4.3.30.0000.02712.25
4.3.20.0000.03712.25
4.3.10.0070.02712.25
4.3.00.0000.03712.25

preferences:
38.99 ms | 400 KiB | 5 Q