3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strlen('Żółk');echo "\n"; echo strlen('Żółk');echo "\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)
8.3.60.0070.01418.23
8.3.50.0070.01116.48
8.3.40.0120.00318.47
8.3.30.0120.00318.54
8.3.20.0050.00319.22
8.3.10.0000.00823.57
8.3.00.0040.00420.70
8.2.180.0100.00318.17
8.2.170.0080.00622.96
8.2.160.0110.00421.11
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0080.00021.07
8.2.120.0080.00026.35
8.2.110.0040.00822.30
8.2.100.0060.00617.72
8.2.90.0050.00317.72
8.2.80.0000.00719.21
8.2.70.0050.00318.04
8.2.60.0040.00418.22
8.2.50.0080.00018.10
8.2.40.0040.00419.35
8.2.30.0030.00320.62
8.2.20.0050.00218.04
8.2.10.0000.00718.24
8.2.00.0070.00019.18
8.1.280.0090.00925.92
8.1.270.0000.00723.81
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00322.05
8.1.230.0060.00622.58
8.1.220.0030.00617.74
8.1.210.0000.00918.79
8.1.200.0060.00317.23
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.97
8.1.160.0000.00718.70
8.1.150.0070.00018.80
8.1.140.0000.01020.77
8.1.130.0000.00718.85
8.1.120.0000.01017.26
8.1.110.0040.00417.34
8.1.100.0040.00417.38
8.1.90.0000.00717.36
8.1.80.0050.00317.31
8.1.70.0030.00317.32
8.1.60.0020.00517.59
8.1.50.0030.00517.45
8.1.40.0040.00417.41
8.1.30.0030.00517.42
8.1.20.0090.00317.50
8.1.10.0040.00417.46
8.1.00.0000.00717.48
8.0.300.0030.00619.82
8.0.290.0030.00616.63
8.0.280.0050.00318.44
8.0.270.0000.00717.21
8.0.260.0030.00322.03
8.0.250.0000.00716.92
8.0.240.0040.00416.95
8.0.230.0000.00616.82
8.0.220.0030.00316.84
8.0.210.0030.00316.68
8.0.200.0030.00316.89
8.0.190.0080.00016.89
8.0.180.0070.00016.86
8.0.170.0030.00616.73
8.0.160.0070.00016.71
8.0.150.0000.00716.81
8.0.140.0070.00016.79
8.0.130.0030.00313.26
8.0.120.0000.00716.82
8.0.110.0040.00416.83
8.0.100.0000.00816.64
8.0.90.0000.00716.64
8.0.80.0100.00716.81
8.0.70.0040.00416.70
8.0.60.0040.00416.67
8.0.50.0040.00416.77
8.0.30.0110.00616.95
8.0.20.0110.01217.40
8.0.10.0050.00316.85
8.0.00.0090.00816.71
7.4.330.0000.00515.55
7.4.320.0070.00016.47
7.4.300.0030.00316.49
7.4.290.0030.00316.28
7.4.280.0030.00416.36
7.4.270.0030.00316.27
7.4.260.0000.00716.41
7.4.250.0040.00416.45
7.4.240.0070.00016.49
7.4.230.0070.00016.49
7.4.220.0040.00416.16
7.4.210.0090.00516.38
7.4.200.0030.00316.13
7.4.160.0070.01116.51
7.4.140.0100.01017.86
7.4.130.0120.00616.38
7.4.120.0100.01216.41
7.4.110.0060.01316.44
7.4.100.0060.01216.59
7.4.90.0100.00716.30
7.4.80.0130.00319.39
7.4.70.0160.00716.28
7.4.60.0000.01516.32
7.4.50.0070.01116.04
7.4.40.0110.00616.33
7.4.00.0030.00815.03
7.3.330.0050.00012.96
7.3.320.0030.00312.88
7.3.310.0000.00716.15
7.3.300.0030.00316.08
7.3.290.0000.00716.03
7.3.280.0040.01116.08
7.3.260.0100.00916.34
7.3.240.0110.01116.25
7.3.230.0090.01316.29
7.3.210.0120.00916.41
7.3.200.0120.00316.15
7.3.190.0120.00416.15
7.3.180.0000.01616.40
7.3.170.0080.00816.20
7.3.160.0060.00916.56
7.2.330.0080.01216.32
7.2.320.0110.00616.48
7.2.310.0100.00716.59
7.2.300.0080.00816.47
7.2.290.0060.00916.20
7.2.90.0150.01014.50
7.2.80.0090.00314.55
7.2.70.1450.00414.89
7.2.60.0250.00014.60
7.2.50.0130.00914.76
7.2.40.0330.00014.75
7.2.30.0030.01514.66
7.2.20.0070.01815.11
7.2.10.0660.00714.77
7.2.00.0820.00314.93
7.1.210.0080.01213.80
7.1.200.0090.01213.47
7.1.190.3140.00713.63
7.1.180.1200.01313.81
7.1.170.0150.00613.90
7.1.160.0180.00413.73
7.1.150.1450.00313.84
7.1.140.0070.01413.54
7.1.130.0170.00013.72
7.1.120.0130.00313.79
7.1.110.0080.01213.75
7.1.100.0100.00713.71
7.1.90.1070.00713.53
7.1.80.0130.00713.52
7.1.70.0380.01013.79
7.1.60.0260.01331.92
7.1.50.0320.01031.89
7.1.40.0580.00331.83
7.1.30.0300.00331.70
7.1.20.0350.01331.91
7.1.10.0110.00713.84
7.1.00.0000.01513.82

preferences:
37.61 ms | 400 KiB | 5 Q