3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'aaa'; $b = 'bb'; $c = 'c'; $lenga = strlen($a); $lengb = strlen($b); $lengc = strlen($c); $leng = max([$lenga,$lengb,$lengc]); $out = ''; for($i=0;$i<$leng;$i++){ $out .= isset($a[$i]) ? $a[$i] : ''; $out .= isset($b[$i]) ? $b[$i] : ''; $out .= isset($c[$i]) ? $c[$i] : ''; } echo $out;

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)
8.5.10.0120.00616.56
8.5.00.0120.00920.04
8.4.150.0030.00014.05
8.4.140.0140.01117.71
8.4.130.0060.00617.70
8.4.120.0140.00620.58
8.4.110.0050.00522.58
8.4.100.0050.00417.71
8.4.90.0060.00217.99
8.4.80.0070.00120.82
8.4.70.0080.00817.78
8.4.60.0080.01217.57
8.4.50.0110.00917.82
8.4.40.0100.01018.69
8.4.30.0130.00618.65
8.4.20.0130.00720.64
8.4.10.0100.01017.46
8.3.280.0130.00718.32
8.3.270.0110.00816.73
8.3.260.0120.00616.52
8.3.250.0110.00818.87
8.3.240.0130.00416.38
8.3.230.0060.00416.51
8.3.220.0060.00617.11
8.3.210.0080.01116.61
8.3.200.0080.01116.48
8.3.190.0120.00616.56
8.3.180.0080.00918.22
8.3.170.0190.00016.52
8.3.160.0090.00916.66
8.3.150.0090.00917.44
8.3.140.0080.00017.11
8.3.130.0030.00618.43
8.3.120.0070.01118.74
8.3.110.0040.01116.76
8.3.100.0090.00916.91
8.3.90.0070.00416.51
8.3.80.0040.00917.97
8.3.70.0140.00016.25
8.3.60.0110.01116.38
8.3.50.0110.00824.51
8.3.40.0170.00020.13
8.3.30.0070.00718.84
8.3.20.0080.00021.89
8.3.10.0040.00422.10
8.3.00.0040.00420.76
8.2.290.0130.00522.27
8.2.280.0090.00518.27
8.2.270.0070.01116.65
8.2.260.0040.00419.03
8.2.250.0100.01018.32
8.2.240.0100.01016.95
8.2.230.0130.00020.94
8.2.220.0000.00924.06
8.2.210.0140.00026.77
8.2.200.0090.00016.88
8.2.190.0100.00716.58
8.2.180.0040.01118.18
8.2.170.0090.00622.96
8.2.160.0030.01019.41
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0030.00622.29
8.2.100.0040.00717.97
8.2.90.0040.00417.75
8.2.80.0080.00018.91
8.2.70.0060.00318.04
8.2.60.0050.00318.16
8.2.50.0000.00819.41
8.2.40.0060.00619.38
8.2.30.0040.00419.29
8.2.20.0070.00018.21
8.2.10.0040.00419.45
8.2.00.0000.00719.34
8.1.330.0120.00717.11
8.1.320.0130.00615.96
8.1.310.0040.01816.77
8.1.300.0060.00319.68
8.1.290.0030.00618.88
8.1.280.0120.00325.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.83
8.1.230.0070.00717.96
8.1.220.0080.00017.77
8.1.210.0000.00918.77
8.1.200.0030.00617.35
8.1.190.0080.00017.23
8.1.180.0040.00418.98
8.1.170.0000.00818.65
8.1.160.0090.00019.07
8.1.150.0050.00318.84
8.1.140.0040.00418.92
8.1.130.0070.00017.41
8.1.120.0000.00817.51
8.1.110.0000.00717.47
8.1.100.0000.00717.44
8.1.90.0000.00817.50
8.1.80.0050.00317.42
8.1.70.0040.00417.41
8.1.60.0000.00817.62
8.1.50.0040.00417.59
8.1.40.0000.00817.59
8.1.30.0030.00617.73
8.1.20.0060.00317.60
8.1.10.0050.00317.61
8.1.00.0000.00817.45
8.0.300.0040.00418.81
8.0.290.0040.00416.75
8.0.280.0000.00718.47
8.0.270.0080.00016.84
8.0.260.0030.00316.81
8.0.250.0000.00716.89
8.0.240.0000.00716.88
8.0.230.0000.00716.90
8.0.220.0060.00016.88
8.0.210.0000.00716.89
8.0.200.0060.00016.89
8.0.190.0030.00516.97
8.0.180.0070.00016.95
8.0.170.0060.00316.98
8.0.160.0040.00417.00
8.0.150.0070.00016.91
8.0.140.0050.00316.84
8.0.130.0050.00013.30
8.0.120.0000.00716.85
8.0.110.0070.00016.76
8.0.100.0000.00716.98
8.0.90.0080.00017.00
8.0.80.0040.01116.93
8.0.70.0040.00416.70
8.0.60.0070.00016.72
8.0.50.0040.00416.99
8.0.30.0130.00316.90
8.0.20.0120.00617.07
8.0.10.0000.00816.94
8.0.00.0100.00716.86
7.4.330.0000.00515.55
7.4.320.0060.00016.54
7.4.300.0030.00316.54
7.4.290.0030.00316.52
7.4.280.0000.00716.43
7.4.270.0030.00316.55
7.4.260.0050.00013.20
7.4.250.0000.00716.51
7.4.240.0030.00316.60
7.4.230.0070.00016.71
7.4.220.0050.00216.49
7.4.210.0070.00716.59
7.4.200.0040.00416.73
7.4.130.0090.01116.47
7.4.120.0100.00716.54
7.4.110.0060.01216.51
7.4.100.0110.01116.71
7.4.90.0100.00916.49
7.4.80.0000.01819.39
7.4.70.0030.01316.61
7.4.60.0050.01316.54
7.4.50.0040.01416.46
7.4.40.0160.00616.51
7.4.30.0130.00616.51
7.4.20.0030.01416.70
7.4.10.0090.01216.55
7.4.00.0100.01016.60
7.3.330.0040.00416.22
7.3.320.0050.00013.18
7.3.310.0030.00316.36
7.3.300.0070.00016.36
7.3.290.0060.00916.35
7.3.260.0150.00416.57
7.3.230.0130.00316.47
7.3.210.0000.01616.33
7.3.200.0090.00916.26
7.3.190.0150.00616.34
7.3.180.0040.01416.39
7.3.170.0130.00716.38
7.3.160.0140.00716.24
7.3.150.0120.00816.37
7.3.140.0110.00716.42
7.3.130.0100.01016.61
7.3.120.0090.00916.55
7.3.110.0070.01116.42
7.3.100.0040.01316.54
7.3.90.0130.00416.55
7.3.80.0140.01016.47
7.3.70.0070.01616.43
7.3.60.0230.00016.38
7.3.50.0080.00916.28
7.3.40.0200.00416.42
7.3.30.0090.00616.39
7.3.20.0120.00916.30
7.3.10.0080.01216.45
7.3.00.0150.00416.36
7.2.330.0190.00316.53
7.2.320.0100.00716.60
7.2.310.0120.01016.69
7.2.300.0030.01416.68
7.2.290.0150.00916.54
7.2.280.0140.00416.77
7.2.270.0170.00816.55
7.2.260.0030.01816.59
7.2.250.0090.00916.73
7.2.240.0100.01116.59
7.2.230.0120.00816.60
7.2.220.0140.00416.73
7.2.210.0260.03016.40
7.2.200.0150.01016.66
7.2.190.0120.00616.61
7.2.180.0120.01216.39
7.2.170.0100.00716.77
7.2.160.0040.01816.48
7.2.150.0110.00816.60
7.2.140.0090.00916.69
7.2.130.0540.00316.53
7.2.120.0030.01616.81
7.2.110.0080.01116.72
7.2.100.0140.00516.54
7.2.90.0150.00616.69
7.2.80.0120.00616.66
7.2.70.0120.00916.67
7.2.60.0160.00616.75
7.2.50.0190.00416.69
7.2.40.0070.01616.75
7.2.30.0120.01216.73
7.2.20.0130.01016.69
7.2.10.0180.00616.48
7.2.00.0180.00616.65

preferences:
41.03 ms | 403 KiB | 5 Q