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)
8.3.60.0110.00416.50
8.3.50.0140.00019.89
8.3.40.0090.00618.48
8.3.30.0130.00318.50
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.180.0040.01225.92
8.2.170.0070.01318.96
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0000.00826.16
8.2.110.0030.00620.97
8.2.100.0090.00317.47
8.2.90.0080.00018.99
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0000.00717.89
8.2.50.0000.00818.07
8.2.40.0080.00019.95
8.2.30.0050.00318.04
8.2.20.0000.00720.23
8.2.10.0000.00817.88
8.2.00.0000.00719.15
8.1.280.0100.00325.92
8.1.270.0080.00023.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00321.16
8.1.230.0040.00817.70
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0110.00017.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0060.00318.52
8.1.160.0030.00618.84
8.1.150.0000.00718.50
8.1.140.0000.00717.33
8.1.130.0000.00718.81
8.1.120.0020.00517.38
8.1.110.0050.00317.38
8.1.100.0030.00317.32
8.1.90.0030.00317.37
8.1.80.0040.00417.39
8.1.70.0050.00217.40
8.1.60.0170.00017.48
8.1.50.0140.00317.32
8.1.40.0120.00517.45
8.1.30.0120.00417.41
8.1.20.0090.00917.38
8.1.10.0130.00417.23
8.1.00.0090.00917.27
8.0.300.0060.00318.77
8.0.290.0000.00716.75
8.0.280.0000.00718.33
8.0.270.0000.00816.74
8.0.260.0030.00318.42
8.0.250.0070.00016.87
8.0.240.0030.00316.73
8.0.230.0000.00716.83
8.0.220.0050.00216.84
8.0.210.0040.00416.80
8.0.200.0120.00316.66
8.0.190.0070.00716.84
8.0.180.0070.00716.70
8.0.170.0050.00916.70
8.0.160.0140.00016.64
8.0.150.0070.00716.74
8.0.140.0110.00316.57
8.0.130.0140.00016.76
8.0.120.0140.00016.63
8.0.110.0100.00316.81
8.0.100.0080.00316.59
8.0.90.0060.00016.84
8.0.80.0000.01316.85
8.0.70.0080.00416.54
8.0.60.0130.00016.60
8.0.50.0100.00316.66
8.0.30.0030.00716.84
8.0.20.0150.00016.89
8.0.10.0070.00716.80
7.4.330.0000.00515.55
7.4.320.0030.00316.44
7.4.300.0030.00316.33
7.4.290.0150.00016.43
7.4.280.0120.00416.32
7.4.270.0100.00516.46
7.4.260.0160.00016.33
7.4.250.0170.00016.43
7.4.240.0050.01016.51
7.4.230.0130.00316.30
7.4.220.0110.00316.29
7.4.210.0120.00416.39
7.4.200.0150.00316.46
7.4.190.0080.00316.46
7.4.180.0140.00016.55
7.4.160.0100.00416.36
7.4.150.0130.00016.44
7.4.140.0080.00616.43
7.4.130.0080.00816.18
7.4.120.0110.00416.25
7.4.110.0110.00316.25
7.4.100.0140.00016.42
7.4.90.0060.00716.32
7.4.80.0100.00316.34
7.4.70.0090.00516.31
7.4.60.0100.00516.33
7.4.50.0110.00216.09
7.4.40.0110.00316.20
7.4.30.0100.00316.15
7.4.20.0080.00516.24
7.4.10.0130.00016.27
7.4.00.0130.00016.25

preferences:
43.79 ms | 400 KiB | 5 Q