3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_detect_encoding('')); var_dump(mb_str_split('', 1)); var_dump(mb_str_split('', 1, 'ASCII')); var_dump(mb_str_split('', 1, 'UTF-8')); var_dump(str_split('', 1));

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)
8.4.120.0150.00420.38
8.4.110.0050.00320.76
8.4.100.0120.00617.61
8.4.90.0100.01020.42
8.4.80.0150.00519.51
8.4.70.0040.00517.56
8.4.60.0130.00918.71
8.4.50.0130.00720.16
8.4.40.0060.00319.48
8.4.30.0070.00318.50
8.4.20.0180.00318.75
8.4.10.0120.00421.79
8.3.250.0160.00218.73
8.3.240.0130.00716.54
8.3.230.0110.00816.31
8.3.220.0110.00720.74
8.3.210.0150.00318.18
8.3.200.0050.00316.47
8.3.190.0120.00717.04
8.3.180.0100.00818.28
8.3.170.0040.00416.55
8.3.160.0150.00317.17
8.3.150.0040.01118.97
8.3.140.0030.00920.44
8.3.130.0060.00318.41
8.3.120.0060.01220.38
8.3.110.0090.00020.94
8.3.100.0070.01124.06
8.3.90.0110.01126.77
8.3.80.0030.00618.30
8.3.70.0110.00416.63
8.3.60.0110.01118.18
8.3.50.0100.00718.27
8.3.40.0120.00318.61
8.3.30.0110.01118.45
8.3.20.0000.00724.18
8.3.10.0040.00424.66
8.3.00.0080.00026.16
8.2.290.0110.00817.11
8.2.280.0100.00920.23
8.2.270.0110.00818.06
8.2.260.0110.00716.33
8.2.250.0000.00818.09
8.2.240.0060.00316.92
8.2.230.0030.00722.58
8.2.220.0080.00037.54
8.2.210.0000.00826.77
8.2.200.0060.00316.63
8.2.190.0070.01416.58
8.2.180.0090.00925.92
8.2.170.0110.00318.66
8.2.160.0200.00022.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.69
8.2.110.0030.00721.04
8.2.100.0060.00617.91
8.2.90.0000.00818.83
8.2.80.0040.00417.97
8.2.70.0080.00017.25
8.2.60.0040.00417.50
8.2.50.0080.00317.55
8.2.40.0030.00618.09
8.2.30.0000.00718.00
8.2.20.0040.00420.48
8.2.10.0000.00717.93
8.2.00.0000.00719.09
8.1.330.0110.00916.04
8.1.320.0100.00916.16
8.1.310.0150.00316.55
8.1.300.0090.00016.14
8.1.290.0090.00030.84
8.1.280.0090.00925.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0080.00422.14
8.1.230.0070.00417.83
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.22
8.1.190.0030.00616.88
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0000.00720.61
8.1.150.0000.00718.49
8.1.140.0040.00417.30
8.1.130.0040.00418.81
8.1.120.0080.00017.45
8.1.110.0000.00717.38
8.1.100.0040.00417.41
8.1.90.0040.00417.30
8.1.80.0050.00317.31
8.1.70.0090.00017.35
8.1.60.0000.00817.51
8.1.50.0040.00417.43
8.1.40.0000.01017.39
8.1.30.0000.01017.54
8.1.20.0000.01017.49
8.1.10.0000.01017.41
8.1.00.0100.00017.36
8.0.300.0000.00718.77
8.0.290.0000.00816.58
8.0.280.0040.00418.31
8.0.270.0070.00016.67
8.0.260.0000.00618.30
8.0.250.0030.00316.80
8.0.240.0030.00316.93
8.0.230.0070.00016.90
8.0.220.0060.00016.82
8.0.210.0030.00316.87
8.0.200.0000.01016.85
8.0.190.0080.00316.87
8.0.180.0100.00016.70
8.0.170.0050.00516.74
8.0.160.0000.01016.72
8.0.150.0090.00016.78
8.0.140.0100.00016.78
8.0.130.0060.00616.72
8.0.120.0050.00916.79
8.0.110.0120.00416.63
8.0.100.0190.00016.85
8.0.90.0130.00016.85
8.0.80.0120.00016.77
8.0.70.0130.00016.61
8.0.60.0040.00816.80
8.0.50.0060.00616.71
8.0.30.0050.00516.82
8.0.20.0050.00516.80
8.0.10.0050.00516.86
7.4.330.0000.00515.55
7.4.320.0060.00016.41
7.4.300.0050.00316.41
7.4.290.0050.00316.40
7.4.280.0050.00316.45
7.4.270.0040.00416.51
7.4.260.0040.00416.31
7.4.250.0060.00316.37
7.4.240.0100.00016.25
7.4.230.0070.00416.44
7.4.220.0090.00416.46
7.4.210.0000.01016.28
7.4.200.0060.00316.49
7.4.190.0050.00516.23
7.4.180.0090.00015.96
7.4.160.0060.00316.30
7.4.150.0050.00516.23
7.4.140.0100.00016.13
7.4.130.0070.00316.28
7.4.120.0000.00715.68
7.4.110.0000.00616.16
7.4.100.0020.00616.51
7.4.90.0040.00416.44
7.4.80.0100.00015.97
7.4.70.0070.00316.15
7.4.60.0040.00416.33
7.4.50.0050.00516.23
7.4.40.0000.00916.14
7.4.30.0060.00316.31
7.4.20.0090.00016.28
7.4.10.0070.00216.19
7.4.00.0000.01016.36

preferences:
29.87 ms | 403 KiB | 5 Q