3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strtolower('İ'));

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)
8.4.140.0090.01217.46
8.4.130.0040.00618.58
8.4.120.0110.00823.97
8.4.110.0060.00422.56
8.4.100.0050.00317.57
8.4.90.0110.00920.30
8.4.80.0120.00918.98
8.4.70.0130.00618.77
8.4.60.0170.00518.58
8.4.50.0070.00318.26
8.4.40.0130.00619.36
8.4.30.0100.01020.58
8.4.20.0110.00017.75
8.4.10.0100.01019.32
8.3.260.0170.00416.60
8.3.250.0090.00718.81
8.3.240.0060.00916.91
8.3.230.0130.00616.72
8.3.220.0080.00818.88
8.3.210.0070.00118.45
8.3.200.0070.00216.49
8.3.190.0060.00817.07
8.3.180.0120.00716.35
8.3.170.0090.01316.93
8.3.160.0040.01418.28
8.3.150.0040.00417.00
8.3.140.0000.00818.51
8.3.130.0030.00518.37
8.3.120.0030.01018.72
8.3.110.0090.00020.94
8.3.100.0060.00324.06
8.3.90.0070.00026.77
8.3.80.0060.00318.39
8.3.70.0150.00018.15
8.3.60.0120.00618.52
8.3.50.0070.00723.50
8.3.40.0090.00618.59
8.3.30.0030.01018.57
8.3.20.0040.00420.57
8.3.10.0080.00022.09
8.3.00.0040.00421.68
8.2.290.0050.00316.47
8.2.280.0070.00318.41
8.2.270.0130.00618.96
8.2.260.0040.00418.91
8.2.250.0030.00618.43
8.2.240.0100.01017.15
8.2.230.0150.00322.58
8.2.220.0090.00937.54
8.2.210.0040.00426.77
8.2.200.0060.00318.29
8.2.190.0120.00316.58
8.2.180.0150.00025.92
8.2.170.0140.00322.96
8.2.160.0140.00422.20
8.2.150.0030.00524.18
8.2.140.0030.00524.66
8.2.130.0000.00826.16
8.2.120.0040.00426.16
8.2.110.0080.00022.25
8.2.100.0040.00721.13
8.2.90.0050.00317.50
8.2.80.0050.00318.33
8.2.70.0060.00317.68
8.2.60.0080.00017.38
8.2.50.0030.00517.55
8.2.40.0040.00417.62
8.2.30.0070.00019.08
8.2.20.0050.00217.91
8.2.10.0000.00819.10
8.2.00.0000.00718.96
8.1.330.0070.00916.05
8.1.320.0090.01018.17
8.1.310.0040.00416.44
8.1.300.0150.00417.87
8.1.290.0070.00730.84
8.1.280.0070.00725.92
8.1.270.0070.00022.43
8.1.260.0100.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.89
8.1.230.0120.00019.18
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00517.22
8.1.190.0000.00918.97
8.1.180.0040.00418.10
8.1.170.0040.00419.20
8.1.160.0080.00019.05
8.1.150.0100.00318.53
8.1.140.0000.00720.60
8.1.130.0020.00618.88
8.1.120.0060.00417.99
8.1.110.0050.00318.01
8.1.100.0050.00417.98
8.1.90.0040.00417.96
8.1.80.0040.00417.95
8.1.70.0060.00217.99
8.1.60.0040.00618.07
8.1.50.0080.00317.50
8.1.40.0060.00417.47
8.1.30.0060.00617.52
8.1.20.0080.00217.50
8.1.10.0070.00517.46
8.1.00.0040.00517.40
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0030.00318.36
8.0.270.0040.00417.84
8.0.260.0070.00217.74
8.0.250.0050.00516.79
8.0.240.0100.00016.84
8.0.230.0060.00216.76
8.0.220.0050.00416.72
8.0.210.0030.00616.81
8.0.200.0060.00216.81
8.0.190.0060.00217.43
8.0.180.0020.00716.77
8.0.170.0020.00916.74
8.0.160.0060.00416.72
8.0.150.0060.00416.73
8.0.140.0060.00416.75
8.0.130.0050.00415.50
8.0.120.0080.00216.70
8.0.110.0060.00416.77
8.0.100.0060.00316.67
8.0.90.0080.00316.72
8.0.80.0050.01016.69
8.0.70.0070.00416.74
8.0.60.0030.00616.68
8.0.50.0070.00316.69
8.0.30.0100.00616.75
8.0.20.0110.00516.83
8.0.10.0050.01016.79
8.0.00.0100.00716.76
7.4.330.0080.00216.60
7.4.320.0070.00516.54
7.4.300.0090.00416.54
7.4.290.0100.00416.52
7.4.280.0130.00316.49
7.4.270.0080.00516.47
7.4.260.0110.00215.42
7.4.250.0100.00316.52
7.4.240.0080.00316.43
7.4.230.0100.00316.46
7.4.220.0060.00516.44
7.4.210.0120.00316.53
7.4.200.0060.00616.52
7.4.190.0110.00416.53
7.4.180.0120.00216.53
7.4.160.0150.00516.50
7.4.150.0110.00516.53
7.4.140.0130.00316.48
7.4.130.0080.00816.42
7.4.120.0090.00716.46
7.4.110.0090.00816.40
7.4.100.0110.00516.47
7.4.90.0110.00616.47
7.4.80.0080.01017.19
7.4.70.0120.00516.46
7.4.60.0110.00716.40
7.4.50.0100.00616.37
7.4.40.0100.00516.37
7.4.30.0090.00816.51
7.4.20.0170.00516.49
7.4.10.0110.00616.11
7.4.00.0110.00616.06
7.3.330.0090.00216.47
7.3.320.0090.00215.42
7.3.310.0100.00216.41
7.3.300.0100.00216.45
7.3.290.0090.00716.37
7.3.280.0110.00616.37
7.3.270.0130.00416.45
7.3.260.0140.00316.41
7.3.250.0120.00616.47
7.3.240.0140.00216.43
7.3.230.0100.01016.36
7.3.220.0140.00416.41
7.3.210.0120.00616.36
7.3.200.0130.00716.31
7.3.190.0100.00616.42
7.3.180.0120.00516.40
7.3.170.0120.00616.29
7.3.160.0120.00716.35
7.3.150.0120.00616.41
7.3.140.0100.00916.36
7.3.130.0100.00815.95
7.3.120.0110.00615.94
7.3.110.0100.00615.98
7.3.100.0100.00716.04
7.3.90.0120.00516.03
7.3.80.0120.00316.00
7.3.70.0090.00815.97
7.3.60.0110.00616.00
7.3.50.0120.00516.02
7.3.40.0110.00516.03
7.3.30.0120.00515.98
7.3.20.0100.00716.76
7.3.10.0110.00616.74
7.3.00.0230.00716.76
7.2.340.0130.00516.44
7.2.330.0110.01016.39
7.2.320.0160.00516.46
7.2.310.0160.00416.43
7.2.300.0110.00816.45
7.2.290.0110.00816.46
7.2.280.0140.00616.46
7.2.270.0160.00416.41
7.2.260.0130.00716.06
7.2.250.0120.00715.98
7.2.240.0110.00715.97
7.2.230.0100.00815.92
7.2.220.0140.00415.99
7.2.210.0110.00616.03
7.2.200.0170.00416.03
7.2.190.0120.00616.09
7.2.180.0140.00516.04
7.2.170.0130.00616.07
7.2.160.0100.00816.07
7.2.150.0170.00616.91
7.2.140.0170.00816.92
7.2.130.0110.00717.04
7.2.120.0120.00516.99
7.2.110.0110.00616.93
7.2.100.0080.01016.98
7.2.90.0200.00816.86
7.2.80.0090.00916.95
7.2.70.0170.00716.94
7.2.60.0140.00516.98
7.2.50.0120.00716.97
7.2.40.0110.00717.00
7.2.30.0120.00716.89
7.2.20.0130.00616.99
7.2.10.0150.00516.95
7.2.00.0120.00716.98

preferences:
113.27 ms | 403 KiB | 5 Q