3v4l.org

run code in 300+ PHP versions simultaneously
<?php $attempts = array(); $localTaskId = 3; $x =& $attempts[$localTaskId]; isset ($x) ? (++ $x) : ($x = 1); echo $attempts[$localTaskId]."\n"; isset ($x) ? (++ $x) : ($x = 1); echo $attempts[$localTaskId]."\n";

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)
8.3.40.0150.00018.88
8.3.30.0100.00319.27
8.3.20.0000.00720.38
8.3.10.0050.00221.90
8.3.00.0060.01119.38
8.2.170.0070.01422.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0030.00622.20
8.2.100.0090.00317.91
8.2.90.0070.00019.36
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00618.05
8.2.50.0030.00618.07
8.2.40.0050.00319.95
8.2.30.0060.00318.00
8.2.20.0040.00417.62
8.2.10.0000.00718.05
8.2.00.0080.00017.68
8.1.270.0050.00323.92
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.00924.02
8.1.230.0060.00619.07
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.34
8.1.190.0050.00317.23
8.1.180.0050.00318.10
8.1.170.0050.00318.43
8.1.160.0040.00422.01
8.1.150.0000.00818.63
8.1.140.0030.00517.30
8.1.130.0000.00817.82
8.1.120.0000.00717.36
8.1.110.0000.00917.42
8.1.100.0030.00617.35
8.1.90.0040.00317.34
8.1.80.0060.00317.42
8.1.70.0050.00217.39
8.1.60.0070.00317.61
8.1.50.0040.00417.50
8.1.40.0000.00717.41
8.1.30.0000.00817.56
8.1.20.0030.00617.64
8.1.10.0000.00717.57
8.1.00.0000.00717.43
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0040.00418.38
8.0.270.0030.00517.25
8.0.260.0000.00617.29
8.0.250.0040.00417.01
8.0.240.0050.00316.86
8.0.230.0030.00316.95
8.0.220.0070.00016.95
8.0.210.0000.00716.88
8.0.200.0020.00516.96
8.0.190.0000.00916.98
8.0.180.0070.00316.93
8.0.170.0050.00316.77
8.0.160.0000.00716.76
8.0.150.0000.00816.87
8.0.140.0040.00416.83
8.0.130.0000.00613.26
8.0.120.0040.00416.82
8.0.110.0070.00016.85
8.0.100.0040.00416.76
8.0.90.0070.00016.96
8.0.80.0040.01116.78
8.0.70.0050.00316.92
8.0.60.0070.00016.88
8.0.50.0050.00216.79
8.0.30.0100.01017.12
8.0.20.0120.01017.40
8.0.10.0000.00716.97
8.0.00.0100.01416.91
7.4.330.0030.00315.00
7.4.320.0000.00716.46
7.4.300.0060.00016.54
7.4.290.0030.00316.42
7.4.280.0080.00016.52
7.4.270.0070.00016.52
7.4.260.0000.00716.52
7.4.250.0030.00516.43
7.4.240.0040.00416.50
7.4.230.0030.00316.45
7.4.220.0060.01516.41
7.4.210.0080.00916.43
7.4.200.0000.00716.55
7.4.190.0040.00416.57
7.4.160.0070.01016.57
7.4.150.0090.00917.40
7.4.140.0140.00317.86
7.4.130.0130.00716.50
7.4.120.0100.00716.52
7.4.110.0060.01216.41
7.4.100.0120.00616.41
7.4.90.0040.01516.63
7.4.80.0080.00919.39
7.4.70.0090.00916.58
7.4.60.0120.00916.28
7.4.50.0000.00816.47
7.4.40.0090.00916.24
7.4.30.0110.00516.50
7.4.00.0060.00615.19
7.3.330.0030.00313.01
7.3.320.0000.00513.18
7.3.310.0000.00716.46
7.3.300.0070.00016.17
7.3.290.0060.01316.37
7.3.280.0080.00816.26
7.3.270.0170.00017.40
7.3.260.0070.01016.31
7.3.250.0130.00716.48
7.3.240.0120.00816.22
7.3.230.0050.01116.39
7.3.210.0100.00716.40
7.3.200.0150.00419.39
7.3.190.0060.01616.37
7.3.180.0070.01016.59
7.3.170.0090.01216.43
7.3.160.0100.00616.31
7.3.120.0050.00214.86
7.3.10.0230.00816.14
7.3.00.0090.00916.51
7.2.330.0170.00016.61
7.2.320.0160.00616.68
7.2.310.0090.01516.70
7.2.300.0100.01016.64
7.2.290.0120.00616.39
7.2.130.0090.00916.29
7.2.120.0150.00616.96
7.2.110.0100.01016.81
7.2.100.0090.01816.61
7.2.90.0170.00916.54
7.2.80.0120.00916.25
7.2.70.0270.00316.45
7.2.60.0070.01016.73
7.2.50.0130.00516.94
7.2.40.0230.01016.59
7.2.30.0210.00716.58
7.2.20.0100.01316.84
7.2.10.0160.00316.66
7.2.00.0200.00816.64
7.1.250.0180.00715.41
7.1.200.0120.00615.84
7.1.100.0060.00317.95
7.1.70.0120.00317.21
7.1.60.0110.01419.46
7.1.50.0100.01417.14
7.1.00.0030.07722.51
7.0.200.0030.00516.27
7.0.140.0030.07022.00
7.0.110.0200.07719.96
7.0.100.0100.07720.10
7.0.90.0030.08719.93
7.0.80.0100.05319.90
7.0.70.0130.06319.96
7.0.60.0070.06320.08
7.0.50.0030.08019.93
7.0.40.0070.07319.73
7.0.30.0070.07719.85
7.0.20.0070.05319.75
7.0.10.0100.07719.68
7.0.00.0130.05719.84
5.6.280.0070.07321.04
5.6.260.0070.06020.70
5.6.250.0270.02720.58
5.6.240.0030.08720.54
5.6.230.0170.07020.68
5.6.220.0070.06720.69
5.6.210.0000.08020.70
5.6.200.0070.04720.58
5.6.190.0170.06020.61
5.6.180.0070.08020.54
5.6.170.0030.08720.85
5.6.160.0030.08020.63
5.6.150.0230.06320.84
5.6.140.0030.09720.84
5.6.130.0100.04320.67
5.6.120.0030.07020.55
5.6.110.0070.04720.55
5.6.100.0070.04720.61
5.6.90.0030.08020.54
5.6.80.0230.06019.94
5.6.70.0070.08719.99
5.6.60.0000.08019.83
5.6.50.0070.04020.23
5.6.40.0200.05720.04
5.6.30.0070.04020.01
5.6.20.0070.08019.82
5.6.10.0030.08020.00
5.6.00.0100.07719.99
5.5.380.0070.07317.54
5.5.370.0100.06717.51
5.5.360.0030.08017.52
5.5.350.0000.08017.47
5.5.340.0030.08018.13
5.5.330.0030.07717.89
5.5.320.0030.06317.98
5.5.310.0070.08017.86
5.5.300.0100.06718.14
5.5.290.0000.05317.86
5.5.280.0100.07718.15
5.5.270.0100.06718.09
5.5.260.0030.08318.16
5.5.250.0100.07017.65
5.5.240.0100.08017.41
5.5.230.0100.07317.38
5.5.220.0230.05717.23
5.5.210.0100.07317.36
5.5.200.0030.06717.18
5.5.190.0070.07717.45
5.5.180.0100.06717.21
5.5.160.0070.06317.48
5.5.150.0100.07017.47
5.5.140.0070.07317.19
5.5.130.0030.06017.60
5.5.120.0070.05017.35
5.5.110.0100.07317.47
5.5.100.0030.07717.38
5.5.90.0030.08017.11
5.5.80.0100.07017.35
5.5.70.0100.07717.34
5.5.60.0030.07717.38
5.5.50.0130.06717.09
5.5.40.0130.07017.10
5.5.30.0100.07317.37
5.5.20.0130.06717.26
5.5.10.0030.08017.10
5.5.00.0070.06717.09
5.4.450.0030.05019.45
5.4.440.0070.04019.44
5.4.430.0100.07019.35
5.4.420.0000.04719.59
5.4.410.0000.04719.20
5.4.400.0100.03719.12
5.4.390.0070.04019.01
5.4.380.0030.07319.00
5.4.370.0070.04018.90
5.4.360.0030.07319.00
5.4.350.0100.07719.03
5.4.340.0030.07719.03
5.4.320.0030.04719.16
5.4.310.0000.04719.27
5.4.300.0130.06718.95
5.4.290.0100.06018.95
5.4.280.0070.07019.13
5.4.270.0070.07719.10
5.4.260.0070.04319.07
5.4.250.0130.06319.17
5.4.240.0130.07319.27
5.4.230.0100.07319.11
5.4.220.0070.08019.00
5.4.210.0070.08018.95
5.4.200.0070.08019.07
5.4.190.0100.06718.95
5.4.180.0100.07719.16
5.4.170.0100.07019.06
5.4.160.0100.07018.92
5.4.150.0070.04719.09
5.4.140.0030.08016.22
5.4.130.0070.06016.33
5.4.120.0070.07316.36
5.4.110.0030.08016.52
5.4.100.0130.06316.40
5.4.90.0070.04016.47
5.4.80.0130.06316.48
5.4.70.0070.06316.12
5.4.60.0030.07716.37
5.4.50.0030.07316.50
5.4.40.0030.07716.53
5.4.30.0100.07316.33
5.4.20.0070.07316.38
5.4.10.0030.07716.46
5.4.00.0030.03715.89
5.3.290.0100.08014.45
5.3.280.0100.07314.55
5.3.270.0170.06014.50
5.3.260.0100.07714.68
5.3.250.0130.06714.45
5.3.240.0100.06014.39
5.3.230.0030.07014.54
5.3.220.0100.07314.59
5.3.210.0000.08014.66
5.3.200.0030.07314.45
5.3.190.0070.08014.63
5.3.180.0070.07014.55
5.3.170.0100.07014.64
5.3.160.0100.07314.58
5.3.150.0100.06714.48
5.3.140.0030.06314.49
5.3.130.0030.07314.48
5.3.120.0070.07714.62
5.3.110.0130.06714.64
5.3.100.0070.06014.05
5.3.90.0000.04313.88
5.3.80.0030.03314.08
5.3.70.0030.04313.89
5.3.60.0030.07014.10
5.3.50.0000.03713.96
5.3.40.0000.03713.95
5.3.30.0000.03713.85
5.3.20.0070.06013.62
5.3.10.0030.06713.66
5.3.00.0000.07713.46
5.2.170.0030.03711.30
5.2.160.0000.03311.20
5.2.150.0000.05710.93
5.2.140.0000.05311.15
5.2.130.0070.05711.04
5.2.120.0030.06310.88
5.2.110.0070.04311.12
5.2.100.0030.03011.11
5.2.90.0030.03711.02
5.2.80.0070.06711.11
5.2.70.0070.06010.99
5.2.60.0070.03710.96
5.2.50.0030.06310.80
5.2.40.0070.05711.00
5.2.30.0070.05011.03
5.2.20.0070.03711.12
5.2.10.0100.05710.88
5.2.00.0070.05010.73
5.1.60.0030.0479.96
5.1.50.0030.05010.05
5.1.40.0170.04010.14
5.1.30.0030.04710.47
5.1.20.0100.05010.41
5.1.10.0030.0579.88
5.1.00.0100.05010.22
5.0.50.0030.0439.88
5.0.40.0100.0379.88
5.0.30.0000.0709.88
5.0.20.0070.0409.88
5.0.10.0030.0439.88
5.0.00.0030.0639.88
4.4.90.0030.0379.88
4.4.80.0030.0339.88
4.4.70.0000.0379.88
4.4.60.0000.0379.88
4.4.50.0000.0409.88
4.4.40.0030.0509.88
4.4.30.0030.0339.88
4.4.20.0000.0379.88
4.4.10.0070.0309.88
4.4.00.0030.0479.88
4.3.110.0000.0379.88
4.3.100.0070.0309.88
4.3.90.0030.0309.88
4.3.80.0000.0479.88
4.3.70.0000.0239.88
4.3.60.0000.0379.88
4.3.50.0070.0279.88
4.3.40.0000.0439.88
4.3.30.0000.0379.88
4.3.20.0000.0339.88
4.3.10.0000.0409.88
4.3.00.0000.0279.88

preferences:
38.12 ms | 400 KiB | 5 Q