3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'aaa'; $b = 'bbb'; $c = 'ccc'; $leng = strlen($a); // or $b or $c, whatever $out = ''; for($i=0;$i<$leng;$i++){ $out .= $a[$i]; $out .= $b[$i]; $out .= $c[$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)
8.5.10.0110.00716.68
8.5.00.0140.00920.00
8.4.160.0100.01223.85
8.4.150.0030.00014.05
8.4.140.0090.01117.32
8.4.130.0130.00717.81
8.4.120.0140.00520.51
8.4.110.0060.00819.00
8.4.100.0150.00617.48
8.4.90.0110.00917.60
8.4.80.0120.00817.84
8.4.70.0060.00417.77
8.4.60.0120.00818.60
8.4.50.0080.00417.40
8.4.40.0090.00918.71
8.4.30.0030.00518.64
8.4.20.0080.01220.81
8.4.10.0040.00417.82
8.3.280.0120.00720.08
8.3.270.0090.01016.36
8.3.260.0100.00716.63
8.3.250.0120.00618.70
8.3.240.0110.00816.58
8.3.230.0070.01216.69
8.3.220.0120.00617.11
8.3.210.0090.00518.51
8.3.200.0060.00216.68
8.3.190.0110.00719.16
8.3.180.0060.00316.70
8.3.170.0110.00717.13
8.3.160.0060.00318.37
8.3.150.0110.01418.86
8.3.140.0180.00018.18
8.3.130.0070.01016.54
8.3.120.0060.00316.77
8.3.110.0120.00316.63
8.3.100.0110.00716.68
8.3.90.0000.00818.38
8.3.80.0090.00017.97
8.3.70.0120.00616.75
8.3.60.0100.01016.75
8.3.50.0110.00824.50
8.3.40.0150.00020.22
8.3.30.0140.00018.68
8.3.20.0000.00821.90
8.3.10.0000.00822.10
8.3.00.0040.00420.82
8.2.290.0100.00820.30
8.2.280.0110.00818.37
8.2.270.0150.00417.42
8.2.260.0090.00019.11
8.2.250.0000.01516.54
8.2.240.0120.00318.20
8.2.230.0080.00020.94
8.2.220.0030.00724.06
8.2.210.0040.00426.77
8.2.200.0030.00616.63
8.2.190.0100.01316.58
8.2.180.0110.00418.29
8.2.170.0070.00722.96
8.2.160.0140.00019.36
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00421.00
8.2.110.0060.00320.52
8.2.100.0090.00317.91
8.2.90.0000.00720.52
8.2.80.0000.00818.05
8.2.70.0080.00018.05
8.2.60.0090.00018.16
8.2.50.0050.00319.46
8.2.40.0080.00419.47
8.2.30.0000.00819.39
8.2.20.0070.00018.18
8.2.10.0040.00419.19
8.2.00.0040.00419.18
8.1.330.0090.00518.50
8.1.320.0090.00916.28
8.1.310.0110.00016.89
8.1.300.0110.00817.80
8.1.290.0060.00318.88
8.1.280.0040.01125.92
8.1.270.0040.00422.22
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.86
8.1.230.0040.00820.99
8.1.220.0000.00817.77
8.1.210.0060.00319.16
8.1.200.0060.00317.22
8.1.190.0000.00917.22
8.1.180.0060.00318.97
8.1.170.0000.00818.46
8.1.160.0060.00318.93
8.1.150.0040.00418.82
8.1.140.0040.00418.75
8.1.130.0000.00720.16
8.1.120.0040.00417.30
8.1.110.0040.00417.40
8.1.100.0080.00017.38
8.1.90.0040.00417.42
8.1.80.0000.00717.41
8.1.70.0050.00317.34
8.1.60.0000.00817.48
8.1.50.0030.00617.38
8.1.40.0000.00817.36
8.1.30.0000.00817.55
8.1.20.0040.00417.48
8.1.10.0000.00717.44
8.1.00.0020.00517.53
8.0.300.0030.00520.03
8.0.290.0040.00416.75
8.0.280.0050.00318.41
8.0.270.0000.00716.84
8.0.260.0050.00520.01
8.0.250.0040.00416.93
8.0.240.0030.00317.00
8.0.230.0040.00416.89
8.0.220.0030.00316.72
8.0.210.0030.00316.79
8.0.200.0000.00616.78
8.0.190.0030.00316.93
8.0.180.0000.00716.76
8.0.170.0030.00616.84
8.0.160.0080.00016.74
8.0.150.0000.00716.78
8.0.140.0030.00616.79
8.0.130.0030.00313.30
8.0.120.0040.00416.82
8.0.110.0000.00816.62
8.0.100.0040.00416.81
8.0.90.0000.00816.86
8.0.80.0060.00916.80
8.0.70.0040.00416.73
8.0.60.0050.00216.82
8.0.50.0040.00416.78
8.0.30.0090.00616.79
8.0.20.0070.01117.30
8.0.10.0040.00416.82
8.0.00.0090.00916.54
7.4.330.0050.00015.55
7.4.320.0000.00816.43
7.4.300.0070.00016.51
7.4.290.0000.00716.35
7.4.280.0000.00716.44
7.4.270.0000.00716.60
7.4.260.0050.00013.33
7.4.250.0030.00316.41
7.4.240.0050.00216.40
7.4.230.0000.00716.61
7.4.220.0040.00416.57
7.4.210.0050.01116.46
7.4.200.0030.00316.63
7.4.130.0100.01016.42
7.4.120.0100.01416.42
7.4.110.0150.00316.35
7.4.100.0100.01016.33
7.4.90.0120.00616.45
7.4.80.0100.00719.39
7.4.70.0100.00716.52
7.4.60.0040.01716.52
7.4.50.0110.00416.53
7.4.40.0100.00916.30
7.4.30.0090.00916.33
7.4.20.0100.00916.30
7.4.10.0040.01616.41
7.4.00.0100.00716.30
7.3.330.0070.00016.45
7.3.320.0000.00613.31
7.3.310.0070.00016.42
7.3.300.0040.00416.24
7.3.290.0060.00916.38
7.3.260.0150.00716.67
7.3.230.0090.00916.28
7.3.210.0160.00016.32
7.3.200.0040.01416.61
7.3.190.0080.00816.55
7.3.180.0070.01016.43
7.3.170.0120.01016.56
7.3.160.0150.00616.36
7.3.150.0150.00616.28
7.3.140.0110.00716.39
7.3.130.0110.01116.37
7.3.120.0100.00716.63
7.3.110.0070.01116.50
7.3.100.0130.00316.48
7.3.90.0030.01416.32
7.3.80.0090.00816.34
7.3.70.0060.00916.31
7.3.60.0130.00316.13
7.3.50.0100.00616.23
7.3.40.0070.01016.25
7.3.30.0060.01216.44
7.3.20.0110.00716.37
7.3.10.0350.01016.41
7.3.00.0120.00716.58
7.2.330.0140.00616.74
7.2.320.0050.01416.75
7.2.310.0130.00716.61
7.2.300.0040.01416.70
7.2.290.0090.00916.79
7.2.280.0100.00916.69
7.2.270.0120.00716.48
7.2.260.0100.00916.77
7.2.250.0030.02016.65
7.2.240.0140.00516.60
7.2.230.0090.00916.43
7.2.220.0140.00416.54
7.2.210.0070.01016.72
7.2.200.0100.01016.65
7.2.190.0100.00716.69
7.2.180.0030.01716.38
7.2.170.0120.00616.64
7.2.160.0070.01416.60
7.2.150.0100.01016.79
7.2.140.0090.00916.71
7.2.130.0120.00616.62
7.2.120.0120.00616.74
7.2.110.0090.01016.52
7.2.100.0110.00716.71
7.2.90.0090.00916.50
7.2.80.0060.01216.57
7.2.70.0110.01116.51
7.2.60.0160.00816.57
7.2.50.0030.01816.57
7.2.40.0060.01816.75
7.2.30.0110.00716.71
7.2.20.0100.00716.48
7.2.10.0100.01016.57
7.2.00.0140.00416.37

preferences:
35.03 ms | 403 KiB | 5 Q