3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="Şef"; $str=utf8_encode($str); for($i = 0; $i < strlen($str); $i++) echo $str[$i] . "\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)
8.3.60.0130.00718.56
8.3.50.0150.00516.48
8.3.40.0110.00718.82
8.3.30.0120.00318.77
8.3.20.0080.00018.57
8.3.10.0050.00320.51
8.3.00.0040.00417.63
8.2.180.0030.01316.50
8.2.170.0090.00622.96
8.2.160.0110.00322.12
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0000.01419.77
8.2.110.0090.00020.99
8.2.100.0040.00817.91
8.2.90.0090.00019.22
8.2.80.0040.00417.93
8.2.70.0030.00617.50
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0040.00419.82
8.2.30.0040.00417.99
8.2.20.0080.00017.68
8.2.10.0000.00817.68
8.2.00.0050.00217.77
8.1.280.0170.00025.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00320.74
8.1.230.0040.00820.96
8.1.220.0000.00817.74
8.1.210.0080.00018.89
8.1.200.0030.00717.25
8.1.190.0040.00417.51
8.1.180.0000.00818.10
8.1.170.0040.00418.81
8.1.160.0030.00518.84
8.1.150.0020.00518.54
8.1.140.0030.00517.39
8.1.130.0000.00717.72
8.1.120.0000.00717.44
8.1.110.0000.00717.45
8.1.100.0030.00317.34
8.1.90.0000.00917.42
8.1.80.0000.00817.45
8.1.70.0070.00017.37
8.1.60.0050.00317.56
8.1.50.0040.00417.43
8.1.40.0000.00717.41
8.1.30.0070.00017.63
8.1.20.0000.00817.66
8.1.10.0000.00717.59
8.1.00.0040.00417.36
8.0.300.0000.00719.85
8.0.290.0050.00216.75
8.0.280.0080.00018.38
8.0.270.0020.00517.17
8.0.260.0030.00318.61
8.0.250.0000.00716.84
8.0.240.0000.00917.00
8.0.230.0070.00016.91
8.0.220.0000.00616.86
8.0.210.0030.00316.75
8.0.200.0030.00316.99
8.0.190.0000.00716.83
8.0.180.0000.00816.91
8.0.170.0000.00916.91
8.0.160.0050.00316.89
8.0.150.0040.00416.83
8.0.140.0000.00716.88
8.0.130.0000.00713.29
8.0.120.0050.00316.88
8.0.110.0000.00716.82
8.0.100.0040.00416.85
8.0.90.0050.00316.78
8.0.80.0100.01316.82
8.0.70.0040.00416.77
8.0.60.0040.00416.63
8.0.50.0000.00816.81
8.0.30.0090.00917.12
8.0.20.0070.01117.07
8.0.10.0030.00616.80
8.0.00.0100.00816.63
7.4.330.0030.00314.63
7.4.320.0060.00016.35
7.4.300.0000.00616.53
7.4.290.0080.00016.41
7.4.280.0060.00316.58
7.4.270.0030.00316.55
7.4.260.0030.00313.16
7.4.250.0050.00316.58
7.4.240.0040.00416.54
7.4.230.0000.00716.61
7.4.220.0000.01516.52
7.4.210.0090.00916.46
7.4.200.0040.00416.50
7.4.190.0050.00216.41
7.4.160.0080.00816.60
7.4.150.0090.01317.07
7.4.140.0100.00817.10
7.4.130.0090.00716.46
7.4.120.0050.01216.40
7.4.110.0120.00616.45
7.4.100.0070.01016.48
7.4.90.0060.01616.41
7.4.80.0070.01018.80
7.4.70.0060.01316.46
7.4.60.0120.00616.58
7.4.50.0050.00216.35
7.4.40.0060.00922.26
7.4.30.0110.00516.45
7.4.00.0030.01015.07
7.3.330.0030.00313.05
7.3.320.0030.00313.08
7.3.310.0030.00316.38
7.3.300.0030.00316.34
7.3.290.0070.00716.40
7.3.280.0080.00716.31
7.3.270.0160.00717.07
7.3.260.0090.01118.24
7.3.250.0090.00816.46
7.3.240.0060.01016.29
7.3.230.0000.01716.60
7.3.210.0060.01016.58
7.3.200.0110.00519.39
7.3.190.0150.00616.57
7.3.180.0070.01016.44
7.3.170.0100.01016.60
7.3.160.0110.00416.40
7.3.120.0070.00715.13
7.2.330.0120.00616.40
7.2.320.0070.01016.81
7.2.310.0060.01516.37
7.2.300.0140.00316.39
7.2.290.0040.01816.66
7.2.00.0090.00619.55
7.1.100.0040.00818.00
7.1.70.0040.00417.23
7.1.60.0070.01719.40
7.1.50.0100.00717.07
7.1.00.0030.07022.27
7.0.200.0040.00416.73
7.0.140.0070.06721.97
7.0.120.0000.03322.14
7.0.60.0130.07720.04
7.0.50.0030.08017.88
7.0.40.0100.04320.07
7.0.30.0230.04720.18
7.0.20.0300.06720.16
7.0.10.0300.06020.16
7.0.00.0030.07020.33
5.6.280.0000.07320.91
5.6.210.0070.08720.74
5.6.200.0030.08718.23
5.6.190.0070.08720.56
5.6.180.0030.08320.53
5.6.170.0330.07720.41
5.6.160.0070.08720.52
5.6.150.0030.04018.12
5.6.140.0230.06318.14
5.6.130.0030.08718.12
5.6.120.0070.08020.97
5.6.110.0070.05321.13
5.6.100.0100.08320.96
5.6.90.0100.06020.96
5.6.80.0030.08320.40
5.6.70.4470.03720.40
5.5.350.0200.06320.35
5.5.340.0030.05717.92
5.5.330.0130.07720.36
5.5.320.0230.04020.26
5.5.310.0230.07320.29
5.5.300.0130.03718.00
5.5.290.0000.05718.02
5.5.280.0100.05320.97
5.5.270.0000.04720.95
5.5.260.0130.07020.85
5.5.250.0270.06320.54
5.5.240.0070.08320.25
5.4.450.0230.04019.21
5.4.440.3500.04019.46
5.4.430.0230.04319.41
5.4.420.0130.05719.31
5.4.410.0130.05019.40
5.4.400.0130.05019.13
5.4.390.0130.05018.98
5.4.380.0230.05718.63
5.4.370.0100.05318.45
5.4.360.0270.03318.55
5.4.350.0080.04211.97
5.4.340.0050.05111.97
5.4.320.0090.03812.45
5.4.310.0060.04512.45
5.4.300.0090.04112.45
5.4.290.0110.04112.45
5.4.280.0070.03912.35
5.4.270.0080.03912.34
5.4.260.0050.04312.35
5.4.250.0070.03912.34
5.4.240.0080.04312.35
5.4.230.0090.04312.34
5.4.220.0090.04312.34
5.4.210.0090.03912.34
5.4.200.0050.04612.34
5.4.190.0070.04012.34
5.4.180.0080.04112.33
5.4.170.0070.04212.34
5.4.160.0100.04012.34
5.4.150.0070.04412.34
5.4.140.0080.05412.02
5.4.130.0080.04212.01
5.4.120.0100.04111.97
5.4.110.0060.04511.96
5.4.100.0080.04411.96
5.4.90.0080.04811.96
5.4.80.0100.04711.97
5.4.70.0060.05511.96
5.4.60.0080.06111.96
5.4.50.0070.05111.96
5.4.40.0090.04511.95
5.4.30.0070.04611.95
5.4.20.0070.04611.95
5.4.10.0080.04811.95
5.4.00.0090.04511.43
5.3.290.0110.04112.80
5.3.280.0100.04312.71
5.3.270.0080.04512.72
5.3.260.0080.04412.72
5.3.250.0090.04212.72
5.3.240.0100.04212.72
5.3.230.0080.04812.71
5.3.220.0090.04912.68
5.3.210.0100.04312.68
5.3.200.0080.04112.68
5.3.190.0070.04212.68
5.3.180.0080.03912.67
5.3.170.0100.03912.67
5.3.160.0100.05012.67
5.3.150.0120.05612.67
5.3.140.0170.04412.66
5.3.130.0100.05312.66
5.3.120.0070.05112.66
5.3.110.0100.05112.66
5.3.100.0120.04612.12
5.3.90.0090.04312.08
5.3.80.0100.04712.08
5.3.70.0100.04212.08
5.3.60.0100.04812.07
5.3.50.0060.04512.00
5.3.40.0090.04112.00

preferences:
55.5 ms | 401 KiB | 5 Q