3v4l.org

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

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)
8.3.40.0070.00718.50
8.3.30.0070.00719.06
8.3.20.0040.00420.33
8.3.10.0040.00421.77
8.3.00.0030.00617.25
8.2.170.0110.00418.96
8.2.160.0000.01422.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.01126.16
8.2.120.0050.00321.06
8.2.110.0030.00621.07
8.2.100.0080.00417.94
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0070.00017.80
8.2.50.0050.00518.07
8.2.40.0040.00419.75
8.2.30.0000.00817.98
8.2.20.0040.00417.72
8.2.10.0040.00417.93
8.2.00.0040.00417.79
8.1.270.0080.00022.16
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00321.12
8.1.230.0040.00717.42
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.01117.23
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0040.00420.35
8.1.160.0000.00721.91
8.1.150.0070.00018.85
8.1.140.0040.00417.43
8.1.130.0000.00717.38
8.1.120.0040.00417.38
8.1.110.0000.00717.42
8.1.100.0000.00717.27
8.1.90.0000.00817.28
8.1.80.0000.00717.28
8.1.70.0000.00717.43
8.1.60.0080.00017.46
8.1.50.0000.00817.39
8.1.40.0060.00617.39
8.1.30.0060.00317.57
8.1.20.0000.00817.49
8.1.10.0050.00217.46
8.1.00.0050.00317.29
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.36
8.0.270.0030.00317.29
8.0.260.0000.00616.82
8.0.250.0030.00316.83
8.0.240.0040.00416.84
8.0.230.0040.00416.90
8.0.220.0000.00716.70
8.0.210.0070.00016.68
8.0.200.0080.00016.86
8.0.190.0060.00316.81
8.0.180.0030.00316.83
8.0.170.0030.00616.77
8.0.160.0040.00416.95
8.0.150.0040.00416.75
8.0.140.0030.00316.78
8.0.130.0030.00313.12
8.0.120.0040.00416.70
8.0.110.0040.00416.75
8.0.100.0070.00016.76
8.0.90.0040.00416.75
8.0.80.0120.00616.79
8.0.70.0020.00516.81
8.0.60.0000.00816.82
8.0.50.0030.00516.69
8.0.30.0160.01016.92
8.0.20.0110.00817.40
8.0.10.0070.00016.76
8.0.00.0060.01116.53
7.4.330.0000.00615.03
7.4.320.0060.00016.53
7.4.300.0000.00716.50
7.4.290.0000.00816.54
7.4.280.0070.00016.40
7.4.270.0070.00016.52
7.4.260.0000.00716.48
7.4.250.0040.00416.42
7.4.240.0020.00516.33
7.4.230.0000.00716.39
7.4.220.0110.00816.45
7.4.210.0060.01216.42
7.4.200.0000.00816.55
7.4.160.0070.00716.43
7.4.150.0070.01117.40
7.4.140.0130.01017.86
7.4.130.0090.00716.35
7.4.120.0070.01016.39
7.4.110.0100.00716.18
7.4.100.0080.01616.30
7.4.90.0100.00716.31
7.4.80.0030.01319.39
7.4.70.0070.01316.53
7.4.60.0420.02116.47
7.4.50.0000.00816.56
7.4.40.0060.01016.66
7.4.30.0030.01316.31
7.4.00.0090.00914.88
7.3.330.0030.00312.94
7.3.320.0110.00612.97
7.3.310.0030.00316.18
7.3.300.0030.00316.17
7.3.290.0060.00016.20
7.3.280.0110.00716.19
7.3.270.0170.00017.40
7.3.260.0140.00416.13
7.3.250.0090.01216.23
7.3.240.0030.01316.41
7.3.230.0120.00616.39
7.3.210.0060.01216.16
7.3.200.0030.01719.39
7.3.190.0080.00816.30
7.3.180.0060.00916.25
7.3.170.0100.00716.27
7.3.160.0090.01216.16
7.2.330.0110.00716.27
7.2.320.0080.00816.46
7.2.310.0210.00016.36
7.2.300.0110.00716.58
7.2.290.0090.01216.49
7.2.60.0070.00716.75
7.2.00.0030.01019.39
7.1.200.0030.00515.38
7.1.100.0060.00618.14
7.1.70.0070.00316.80
7.1.60.0070.00417.31
7.1.50.0070.00716.57
7.1.00.0130.06722.40
7.0.200.0000.01016.31
7.0.60.0070.03719.84
7.0.50.0070.04017.80
7.0.40.0070.05720.06
7.0.30.0200.05020.16
7.0.20.0230.03320.30
7.0.10.0070.08320.09
7.0.00.0170.04020.13
5.6.280.0000.07721.07
5.6.210.0130.07020.70
5.6.200.0000.04318.16
5.6.190.0070.05020.67
5.6.180.4200.04020.56
5.6.170.0370.07020.62
5.6.160.0100.06320.40
5.6.150.0000.07318.16
5.6.140.0000.04718.19
5.6.130.0070.05318.21
5.6.120.0070.03721.15
5.6.110.0070.04020.96
5.6.100.0130.06320.94
5.6.90.0130.07320.96
5.6.80.0070.04020.37
5.5.350.0130.04020.35
5.5.340.0170.07017.93
5.5.330.0030.04320.15
5.5.320.0330.08020.34
5.5.310.0300.05320.30
5.5.300.0030.08018.02
5.5.290.0200.05317.90
5.5.280.0130.04720.76
5.5.270.0100.08720.75
5.5.260.0130.07720.82
5.5.250.0030.06020.48
5.5.240.0000.08320.11
5.4.450.0130.05719.58
5.4.440.0100.04319.22
5.4.430.0070.04019.49
5.4.420.0170.07019.62
5.4.410.0070.06318.94
5.4.400.0100.05318.53
5.4.390.0270.03318.49
5.4.380.0100.06318.71
5.4.370.0070.06718.63
5.4.360.0170.04718.78
5.4.350.0000.06318.72
5.4.340.0170.05018.71
5.4.320.0270.04018.63
5.4.310.0100.05718.73
5.4.300.0170.04718.52
5.4.290.0100.05018.74
5.4.280.0100.05718.61
5.4.270.0200.04318.71
5.4.260.0200.05718.58
5.4.250.0030.06018.69
5.4.240.0100.05318.77
5.4.230.0070.05318.50
5.4.220.0070.05718.61
5.4.210.0170.05018.76
5.4.200.0070.05716.43
5.4.190.0130.05318.68
5.4.180.0070.06018.57
5.4.170.0130.08018.64
5.4.160.0170.05318.75
5.4.150.0070.05718.46
5.4.140.0170.05016.26
5.4.130.0070.05016.20
5.4.120.0170.04316.20
5.4.110.0170.04316.12
5.4.100.0130.05016.34
5.4.90.0130.05016.14
5.4.80.0270.04716.22
5.4.70.0070.05716.19
5.4.60.0030.05716.01
5.4.50.0100.05016.27
5.4.40.0030.05316.11
5.4.30.0170.04016.13
5.4.20.0030.05716.28
5.4.10.0130.05016.05
5.4.00.0130.04715.71
5.3.290.0100.05314.57
5.3.280.0170.04714.54
5.3.270.0130.05014.68
5.3.260.0100.05314.52
5.3.250.0200.04714.56
5.3.240.0170.07014.57
5.3.230.0100.05314.57
5.3.220.0100.05314.51
5.3.210.0030.06014.64
5.3.200.0130.05314.61
5.3.190.0100.05314.47
5.3.180.0070.05714.45
5.3.170.0100.05314.53
5.3.160.0030.06314.63
5.3.150.0100.05314.55
5.3.140.0100.05014.50
5.3.130.0070.06014.49
5.3.120.0070.06014.55
5.3.110.0200.05314.59
5.3.100.0170.04314.12
5.3.90.0200.04314.04
5.3.80.0070.05714.00
5.3.70.0130.04713.93
5.3.60.0130.04713.88
5.3.50.0070.05313.87
5.3.40.0170.06313.94
5.3.30.0100.05314.01
5.3.20.0130.06013.66
5.3.10.0070.05713.63
5.3.00.0030.06013.58
5.2.170.0030.05011.07
5.2.160.0170.03011.20
5.2.150.0030.04711.10
5.2.140.0100.04011.06
5.2.130.0070.04011.05
5.2.120.0130.03311.25
5.2.110.0130.03711.14
5.2.100.0070.04011.05
5.2.90.0030.04711.13
5.2.80.0000.04711.00
5.2.70.0030.04311.00
5.2.60.0070.05011.01
5.2.50.0230.03011.00
5.2.40.0130.03310.96
5.2.30.0070.04011.11
5.2.20.0070.04310.93
5.2.10.0100.03710.97
5.2.00.0130.03310.80
5.1.60.0100.03010.02
5.1.50.0100.03310.11
5.1.40.0170.02710.07
5.1.30.0030.04010.33
5.1.20.0100.04010.38
5.1.10.0100.03710.12
5.1.00.0070.04310.09
5.0.50.0070.0278.64
5.0.40.0030.0408.38
5.0.30.0070.0538.29
5.0.20.0030.0378.17
5.0.10.0030.0408.26
5.0.00.0100.0508.17
4.4.90.0100.0235.86
4.4.80.0100.0235.89
4.4.70.0030.0305.83
4.4.60.0030.0305.91
4.4.50.0130.0205.88
4.4.40.0030.0435.90
4.4.30.0070.0235.88
4.4.20.0030.0305.95
4.4.10.0030.0275.95
4.4.00.0070.0375.91
4.3.110.0030.0235.81
4.3.100.0000.0235.73
4.3.90.0030.0205.87
4.3.80.0000.0375.77
4.3.70.0000.0235.82
4.3.60.0100.0135.76
4.3.50.0070.0205.81
4.3.40.0000.0375.86
4.3.30.0000.0234.58
4.3.20.0100.0174.54
4.3.10.0070.0174.51
4.3.00.0000.02316.04

preferences:
50.7 ms | 400 KiB | 5 Q