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)
8.3.40.0060.00918.84
8.3.30.0070.00719.21
8.3.20.0040.00420.17
8.3.10.0000.00823.54
8.3.00.0080.00019.25
8.2.170.0110.01122.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0100.00726.16
8.2.120.0050.00322.08
8.2.110.0060.00321.06
8.2.100.0120.00017.84
8.2.90.0110.00418.96
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.01018.04
8.2.50.0090.00018.10
8.2.40.0070.00018.34
8.2.30.0050.00218.20
8.2.20.0060.00317.66
8.2.10.0080.00017.95
8.2.00.0040.00417.63
8.1.270.0080.00023.85
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0070.00319.50
8.1.230.0040.00817.70
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0070.00317.23
8.1.190.0000.00817.36
8.1.180.0000.00818.10
8.1.170.0030.00518.41
8.1.160.0000.00721.89
8.1.150.0040.00418.63
8.1.140.0040.00417.43
8.1.130.0020.00517.87
8.1.120.0030.00317.49
8.1.110.0080.00017.44
8.1.100.0070.00017.45
8.1.90.0040.00417.49
8.1.80.0050.00317.36
8.1.70.0030.00317.38
8.1.60.0040.00417.60
8.1.50.0000.00817.54
8.1.40.0030.00617.52
8.1.30.0000.00817.52
8.1.20.0040.00417.58
8.1.10.0040.00417.56
8.1.00.0040.00417.39
8.0.300.0000.00818.77
8.0.290.0000.00816.63
8.0.280.0030.00318.36
8.0.270.0040.00417.16
8.0.260.0050.00216.81
8.0.250.0020.00516.95
8.0.240.0030.00316.92
8.0.230.0000.00716.86
8.0.220.0080.00016.75
8.0.210.0030.00316.76
8.0.200.0000.00716.95
8.0.190.0040.00416.94
8.0.180.0040.00416.98
8.0.170.0040.00416.85
8.0.160.0030.00316.88
8.0.150.0000.00716.93
8.0.140.0070.00016.89
8.0.130.0050.00013.31
8.0.120.0000.00816.86
8.0.110.0000.00716.79
8.0.100.0040.00416.75
8.0.90.0000.00716.76
8.0.80.0100.00516.82
8.0.70.0040.00416.75
8.0.60.0020.00516.77
8.0.50.0000.00716.83
8.0.30.0090.00916.86
8.0.20.0070.01317.40
8.0.10.0050.00216.86
8.0.00.0140.00416.74
7.4.330.0000.00515.08
7.4.320.0060.00016.42
7.4.300.0070.00016.52
7.4.290.0000.00716.44
7.4.280.0030.00316.44
7.4.270.0040.00416.39
7.4.260.0030.00316.43
7.4.250.0000.00816.48
7.4.240.0020.00516.50
7.4.230.0000.00816.59
7.4.220.0070.01116.36
7.4.210.0070.00816.50
7.4.200.0000.00716.23
7.4.190.0080.00016.53
7.4.160.0130.00616.43
7.4.150.0150.00617.40
7.4.140.0020.01517.86
7.4.130.0080.00916.44
7.4.120.0120.00816.40
7.4.110.0160.00316.56
7.4.100.0060.01416.41
7.4.90.0090.00916.50
7.4.80.0140.00719.39
7.4.70.0090.00916.38
7.4.60.0070.01016.36
7.4.50.0030.00616.44
7.4.40.0090.00622.77
7.4.30.0040.01116.44
7.4.00.0070.00914.62
7.3.330.0050.00013.06
7.3.320.0030.00313.07
7.3.310.0000.00616.22
7.3.300.0030.00316.28
7.3.290.0120.00716.28
7.3.280.0070.00816.24
7.3.270.0120.00617.40
7.3.260.0130.00716.50
7.3.250.0080.00916.39
7.3.240.0100.00716.56
7.3.230.0030.02016.39
7.3.210.0090.00916.34
7.3.200.0110.01119.39
7.3.190.0070.01116.60
7.3.180.0080.00816.44
7.3.170.0060.00916.27
7.3.160.0060.00916.19
7.3.120.0100.00814.69
7.3.110.0030.01314.89
7.3.100.0000.01614.81
7.3.90.0080.00414.96
7.3.80.0000.01414.57
7.3.70.0000.01014.70
7.3.60.0080.00814.75
7.3.50.0000.01414.47
7.3.40.0100.00314.79
7.3.30.0060.01214.46
7.3.20.0090.00016.75
7.3.10.0100.00316.43
7.3.00.0070.00716.64
7.2.330.0030.01916.80
7.2.320.0110.01416.58
7.2.310.0070.01016.50
7.2.300.0120.00416.46
7.2.290.0060.01116.71
7.2.250.0100.00715.03
7.2.240.0030.01615.02
7.2.230.0040.01114.79
7.2.220.0030.01014.93
7.2.210.0140.00314.96
7.2.200.0050.00514.95
7.2.190.0060.01015.18
7.2.180.0060.00315.09
7.2.170.0120.00315.08
7.2.60.0000.01116.83
7.2.00.0030.01019.20
7.1.330.0080.00615.71
7.1.320.0080.00416.08
7.1.310.0000.00815.87
7.1.300.0050.00315.61
7.1.290.0000.01116.00
7.1.280.0060.00615.82
7.1.270.0070.00715.76
7.1.260.0060.00615.91
7.1.200.0170.00315.76
7.1.100.0180.01317.79
7.1.70.0000.00817.19
7.1.60.0120.01219.33
7.1.50.0040.01416.98
7.1.00.0030.09022.44
7.0.200.0030.00516.85
7.0.140.0030.07321.99
7.0.60.0070.08319.92
7.0.50.0100.04717.81
7.0.40.0130.08019.91
7.0.30.0370.06320.21
7.0.20.0300.06720.09
7.0.10.0070.05720.31
7.0.00.0100.04320.11
5.6.280.0070.07020.89
5.6.210.0130.07320.72
5.6.200.0100.07718.12
5.6.190.0200.05720.43
5.6.180.0200.06720.33
5.6.170.0230.05020.33
5.6.160.0100.08320.49
5.6.150.0030.08318.08
5.6.140.0130.07318.20
5.6.130.0100.07018.18
5.6.120.0100.06021.01
5.6.110.0030.08720.95
5.6.100.0100.07321.10
5.6.90.0170.08320.96
5.6.80.0070.06020.36
5.6.70.4730.04020.45
5.5.350.0030.05720.34
5.5.340.0070.04317.92
5.5.330.0070.08720.56
5.5.320.0400.04720.32
5.5.310.0270.09020.30
5.5.300.0030.03717.88
5.5.290.0130.06317.96
5.5.280.0130.04320.84
5.5.270.0100.07720.86
5.5.260.0100.03320.88
5.5.250.0070.06020.57
5.5.240.0200.06020.12
5.4.450.0230.06019.25
5.4.440.0200.04019.41
5.4.430.0130.04319.55
5.4.420.0300.06719.21
5.4.410.0230.06018.97
5.4.400.0300.03718.81
5.4.390.0270.06319.09
5.4.380.0200.05019.04
5.4.370.0270.05718.93
5.4.360.0230.07319.09
5.4.350.0200.05019.08
5.4.340.0300.05319.09
5.4.320.0230.05319.06
5.4.310.0270.04018.81
5.4.300.0200.04719.15
5.4.290.0300.04719.06
5.4.280.0200.04019.10
5.4.270.0230.03318.77
5.4.260.0100.03319.13
5.4.250.0170.07019.08
5.4.240.0270.04719.06
5.4.230.0200.03718.91
5.4.220.0230.06319.14
5.4.210.0270.05019.24
5.4.200.0300.06019.24
5.4.190.0300.05019.12
5.4.180.0230.05719.21
5.4.170.0170.05019.12
5.4.160.0230.06319.06
5.4.150.0200.05019.03
5.4.140.0270.06716.28
5.4.130.0270.06716.43
5.4.120.0200.04016.52
5.4.110.0270.05716.39
5.4.100.0300.06316.30
5.4.90.0200.04016.40
5.4.80.0270.05316.05
5.4.70.0170.03716.41
5.4.60.0200.03316.37
5.4.50.0230.06316.27
5.4.40.0270.03716.37
5.4.30.0200.04716.41
5.4.20.0200.03316.40
5.4.10.0270.06716.36
5.4.00.0200.03315.76
5.3.290.0300.04314.61
5.3.280.0170.04014.50
5.3.270.0230.03314.55
5.3.260.0170.05014.45
5.3.250.0200.03714.48
5.3.240.0230.03314.44
5.3.230.0230.05714.58
5.3.220.0200.05014.44
5.3.210.0230.03314.61
5.3.200.0230.04314.60
5.3.190.0200.03714.40
5.3.180.0170.03714.51
5.3.170.0200.03314.50
5.3.160.0270.06714.50
5.3.150.0230.07014.58
5.3.140.0200.03714.51
5.3.130.0200.03314.49
5.3.120.0230.03014.41
5.3.110.0170.03714.45
5.3.100.0270.03713.98
5.3.90.0170.03714.07
5.3.80.0130.04313.88
5.3.70.0330.05313.87
5.3.60.0200.04313.99
5.3.50.0300.05313.79
5.3.40.0230.07313.88
5.3.30.0300.02713.86
5.3.20.0170.03713.73
5.3.10.0230.06313.56
5.3.00.0170.03713.48
5.2.170.0200.02311.00
5.2.160.0170.02711.05
5.2.150.0170.04711.02
5.2.140.0070.03311.15
5.2.130.0030.05010.94
5.2.120.0130.03011.12
5.2.110.0130.03711.14
5.2.100.0170.02711.11
5.2.90.0170.03011.19
5.2.80.0200.03311.03
5.2.70.0200.03711.11
5.2.60.0200.04311.21
5.2.50.0130.03010.95
5.2.40.0130.03310.93
5.2.30.0130.03011.02
5.2.20.0170.05710.98
5.2.10.0230.06010.78
5.2.00.0170.03310.67
5.1.60.0370.04710.14
5.1.50.0130.0339.89
5.1.40.0170.0239.90
5.1.30.0100.02710.55
5.1.20.0070.03010.43
5.1.10.0070.0379.99
5.1.00.0130.03010.14
5.0.50.0070.0238.52
5.0.40.0100.0178.38
5.0.30.0030.0338.14
5.0.20.0100.0178.20
5.0.10.0070.0208.29
5.0.00.0030.0338.23
4.4.90.0070.0137.56
4.4.80.0030.0177.56
4.4.70.0070.0137.56
4.4.60.0070.0137.56
4.4.50.0070.0377.56
4.4.40.0070.0407.56
4.4.30.0070.0207.56
4.4.20.0070.0207.56
4.4.10.0030.0207.56
4.4.00.0100.0277.56
4.3.110.0030.0177.56
4.3.100.0100.0137.56
4.3.90.0100.0207.56
4.3.80.0030.0307.56
4.3.70.0100.0277.56
4.3.60.0130.0177.56
4.3.50.0070.0307.56
4.3.40.0030.0307.56
4.3.30.0030.0137.56
4.3.20.0030.0177.56
4.3.10.0030.0377.56
4.3.00.0070.0237.56

preferences:
34.67 ms | 400 KiB | 5 Q