3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Hello, I don't know who I \"am\" but I know who you are, but I don't know where I am"; var_export(array_count_values(str_word_count($string, 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)
8.3.60.0120.00616.36
8.3.50.0060.01220.04
8.3.40.0040.01118.71
8.3.30.0070.00718.60
8.3.20.0080.00024.18
8.3.10.0050.00324.66
8.3.00.0050.00326.16
8.2.180.0000.01425.92
8.2.170.0070.00718.70
8.2.160.0070.01022.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00019.82
8.2.110.0060.00319.30
8.2.100.0080.00417.47
8.2.90.0000.00819.25
8.2.80.0000.00917.97
8.2.70.0050.00317.50
8.2.60.0000.00717.80
8.2.50.0040.00418.07
8.2.40.0050.00418.09
8.2.30.0050.00317.95
8.2.20.0000.00720.41
8.2.10.0040.00417.86
8.2.00.0040.00419.18
8.1.280.0000.01425.92
8.1.270.0060.00320.52
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.74
8.1.230.0070.00422.07
8.1.220.0050.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00817.10
8.1.190.0070.00317.22
8.1.180.0040.00418.10
8.1.170.0050.00318.30
8.1.160.0040.00418.68
8.1.150.0080.00018.52
8.1.140.0000.00717.29
8.1.130.0000.00718.72
8.1.120.0040.00417.41
8.1.110.0000.00717.38
8.1.100.0040.00317.28
8.1.90.0000.00717.32
8.1.80.0070.00017.44
8.1.70.0050.00517.36
8.1.60.0120.00617.35
8.1.50.0090.00917.41
8.1.40.0030.01417.41
8.1.30.0140.00317.44
8.1.20.0110.00517.56
8.1.10.0120.00517.28
8.1.00.0040.01317.20
8.0.300.0020.00518.77
8.0.290.0040.00416.63
8.0.280.0030.00318.33
8.0.270.0000.00717.80
8.0.260.0060.00018.35
8.0.250.0040.00416.91
8.0.240.0060.00016.87
8.0.230.0030.00316.76
8.0.220.0030.00316.79
8.0.210.0000.00716.80
8.0.200.0120.00516.73
8.0.190.0110.00516.79
8.0.180.0050.00916.75
8.0.170.0100.00416.63
8.0.160.0120.00316.62
8.0.150.0120.00216.72
8.0.140.0090.00516.76
8.0.130.0110.00416.74
8.0.120.0070.00716.68
8.0.110.0070.00716.79
8.0.100.0050.00516.63
8.0.90.0000.00716.68
8.0.80.0100.00316.79
8.0.70.0060.00716.73
8.0.60.0140.00016.71
8.0.50.0100.00316.67
8.0.30.0090.00016.85
8.0.20.0100.00316.88
8.0.10.0030.01016.83
7.4.330.0050.00015.55
7.4.320.0000.00716.45
7.4.300.0000.00716.55
7.4.290.0090.00616.48
7.4.280.0070.01016.50
7.4.270.0100.00716.49
7.4.260.0160.00016.47
7.4.250.0140.00316.38
7.4.240.0130.00316.30
7.4.230.0060.01016.43
7.4.220.0070.00716.50
7.4.210.0130.00016.46
7.4.200.0130.00016.41
7.4.190.0050.00316.56
7.4.180.0060.00316.45
7.4.160.0140.00016.40
7.4.150.0000.01416.39
7.4.140.0140.00016.36
7.4.130.0090.00516.30
7.4.120.0100.00316.29
7.4.110.0090.00416.21
7.4.100.0140.00016.32
7.4.90.0090.00516.20
7.4.80.0070.00716.28
7.4.70.0070.00716.38
7.4.60.0100.00316.29
7.4.50.0090.00416.12
7.4.40.0120.00216.18
7.4.30.0120.00216.15
7.4.20.0140.00016.36
7.4.10.0140.00016.15
7.4.00.0110.00316.27

preferences:
49.44 ms | 400 KiB | 5 Q