3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sentence = 'Jumpy Qbert grawlix'; $usage = count_chars(strtolower($sentence), 3); $alphabet = range('a', 'z'); var_export([ 'Sentence' => $sentence, 'Total Length' => strlen($sentence), 'Alphabetical Length' => preg_match_all('~[a-z]~', $sentence, $letters), 'Unused Letters' => array_diff($alphabet, $letters), 'Duplicated Letters' => array_diff(array_count_values($letters), [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)
8.3.60.0030.01318.43
8.3.50.0060.00918.01
8.3.40.0150.00819.09
8.3.30.0040.01119.02
8.3.20.0030.00624.18
8.3.10.0050.00324.66
8.3.00.0050.00326.16
8.2.180.0150.00625.92
8.2.170.0130.00619.03
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0020.00526.16
8.2.120.0000.00726.35
8.2.110.0080.00022.27
8.2.100.0110.00017.97
8.2.90.0060.00317.88
8.2.80.0000.01019.08
8.2.70.0000.00917.75
8.2.60.0030.00617.63
8.2.50.0040.00418.05
8.2.40.0070.00018.02
8.2.30.0030.00518.16
8.2.20.0000.00718.17
8.2.10.0070.00019.39
8.2.00.0000.00719.23
8.1.280.0120.00325.92
8.1.270.0060.00323.99
8.1.260.0080.00028.09
8.1.250.0050.00228.09
8.1.240.0070.00321.99
8.1.230.0080.00320.85
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0080.00317.35
8.1.190.0030.00517.23
8.1.180.0040.00419.13
8.1.170.0000.00818.77
8.1.160.0070.00018.93
8.1.150.0000.00818.90
8.1.140.0040.00418.91
8.1.130.0000.00720.11
8.1.120.0050.00317.59
8.1.110.0090.00017.49
8.1.100.0040.00417.45
8.1.90.0000.00717.60
8.1.80.0070.00017.54
8.1.70.0000.00817.52
8.1.60.0050.00317.71
8.1.50.0030.00617.68
8.1.40.0050.00317.62
8.1.30.0000.00917.59
8.1.20.0080.00017.78
8.1.10.0000.00817.77
8.1.00.0080.00017.54
8.0.300.0000.00720.64
8.0.290.0040.00417.00
8.0.280.0000.00718.41
8.0.270.0030.00318.05
8.0.260.0000.00618.30
8.0.250.0070.00017.19
8.0.240.0030.00717.14
8.0.230.0030.00317.02
8.0.220.0070.00016.98
8.0.210.0040.00417.04
8.0.200.0050.00317.10
8.0.190.0050.00517.09
8.0.180.0000.00716.99
8.0.170.0090.00017.01
8.0.160.0060.00317.03
8.0.150.0030.00517.04
8.0.140.0070.00017.04
8.0.130.0030.00313.58
8.0.120.0000.00717.08
8.0.110.0030.00517.02
8.0.100.0070.00017.05
8.0.90.0040.00417.18
8.0.80.0030.01417.09
8.0.70.0080.00017.05
8.0.60.0000.00717.13
8.0.50.0050.00216.84
8.0.30.0150.00317.08
8.0.20.0170.00517.23
8.0.10.0000.00717.07
8.0.00.0120.01216.96
7.4.330.0000.00415.55
7.4.320.0000.00716.59
7.4.300.0000.00616.72
7.4.290.0030.00316.81
7.4.280.0100.00016.75
7.4.270.0070.00016.68
7.4.260.0000.00513.45
7.4.250.0070.00016.56
7.4.240.0030.00316.82
7.4.230.0030.00316.89
7.4.220.0030.00316.68
7.4.210.0140.00216.78
7.4.200.0000.00716.50
7.4.130.0120.01116.88
7.4.120.0110.00816.68
7.4.110.0090.00916.77
7.4.100.0160.00616.76
7.4.90.0030.01316.70
7.4.80.0040.01519.39
7.4.70.0090.00916.85
7.4.60.0110.00816.63
7.4.50.0130.01316.64
7.4.40.0090.00916.69
7.4.30.0070.01116.87
7.4.20.0130.00716.73
7.4.10.0120.00616.64
7.4.00.0110.00916.73
7.3.330.0030.00316.36
7.3.320.0030.00313.33
7.3.310.0070.00016.51
7.3.300.0080.00016.44
7.3.290.0080.00916.41
7.3.260.0090.00916.56
7.3.240.0110.00816.56
7.3.230.0110.00616.60
7.3.210.0090.00916.82
7.3.200.0100.00716.77
7.3.190.0150.00916.61
7.3.180.0120.00816.48
7.3.170.0120.01216.75
7.3.160.0120.00816.73
7.3.150.0190.00716.78
7.3.140.0060.01216.75
7.3.130.0150.01016.55
7.3.120.0110.01116.56
7.3.110.0130.01116.23
7.3.100.0090.00916.42
7.3.90.0160.00316.52
7.3.80.0150.00416.37
7.3.70.0180.00316.54
7.3.60.0090.00916.39
7.3.50.0100.00916.48
7.3.40.0120.01216.45
7.3.30.0070.01516.50
7.3.20.0080.01616.53
7.3.10.0100.01316.53
7.3.00.0090.01216.40
7.2.330.0080.00816.77
7.2.320.0080.00816.63
7.2.310.0110.01416.70
7.2.300.0030.01316.53
7.2.290.0110.01116.63
7.2.280.0150.01116.62
7.2.270.0120.00816.53
7.2.260.0090.00916.50
7.2.250.0100.01716.88
7.2.240.0110.01416.52
7.2.230.0160.00716.52
7.2.220.0120.01016.71
7.2.210.0090.00916.44
7.2.200.0110.00816.76
7.2.190.0090.00916.70
7.2.180.0120.01316.54
7.2.170.0140.01016.93
7.2.160.0090.01516.62
7.2.150.0030.02016.53
7.2.140.0210.00316.52
7.2.130.0100.01616.69
7.2.120.0090.01416.64
7.2.110.0500.01216.50
7.2.100.0040.02216.66
7.2.90.0070.02216.66
7.2.80.0200.00816.54
7.2.70.0110.01716.57
7.2.60.0110.01916.53
7.2.50.0180.01016.64
7.2.40.0170.01016.65
7.2.30.0080.00516.70
7.2.20.0150.00916.61
7.2.10.0180.01016.55
7.2.00.0180.01016.76

preferences:
60.59 ms | 401 KiB | 5 Q