3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function bigLetters(string $text): string { return mb_strtoupper($text); } function smallLetters(string $text): string { return mb_strtolower($text); } function printBigLetters(string $text): void { echo bigLetters($text) . PHP_EOL; } function printSmallLetters(string $text): void { echo smallLetters($text) . PHP_EOL; } $text1 = 'DrUkOwAnIe DuŻyMi LiTeRaMi'; $text2 = 'DrUkOwAnIe MaŁyMi LiTeRaMi'; printBigLetters($text1); printSmallLetters($text2);

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)
8.4.120.0050.00420.55
8.4.110.0120.00722.45
8.4.100.0070.00417.68
8.4.90.0120.00818.55
8.4.80.0120.00817.56
8.4.70.0130.00617.84
8.4.60.0140.00918.89
8.4.50.0060.00319.77
8.4.40.0130.00319.37
8.4.30.0130.00720.71
8.4.20.0090.01220.58
8.4.10.0100.00322.09
8.3.250.0110.00718.79
8.3.240.0060.00316.54
8.3.230.0090.01016.29
8.3.220.0080.00917.30
8.3.210.0100.00816.79
8.3.200.0070.00516.64
8.3.190.0090.00917.28
8.3.180.0160.00416.39
8.3.170.0040.00417.26
8.3.160.0180.00018.34
8.3.150.0110.00720.80
8.3.140.0090.00920.79
8.3.130.0040.00418.52
8.3.120.0090.00020.69
8.3.110.0100.00716.48
8.3.100.0090.00024.06
8.3.90.0030.00526.77
8.3.80.0090.00316.63
8.3.70.0120.00316.75
8.3.60.0120.00318.30
8.3.50.0060.00918.43
8.3.40.0100.00318.71
8.3.30.0070.01118.91
8.3.20.0040.00424.18
8.3.10.0000.00724.66
8.3.00.0000.00826.16
8.2.290.0040.00620.50
8.2.280.0090.00618.46
8.2.270.0140.00617.27
8.2.260.0000.00719.06
8.2.250.0040.00416.61
8.2.240.0070.00417.23
8.2.230.0090.00020.94
8.2.220.0100.00637.54
8.2.210.0050.00226.77
8.2.200.0080.00816.50
8.2.190.0180.00416.75
8.2.180.0140.00325.92
8.2.170.0090.00918.96
8.2.160.0130.00322.96
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00826.16
8.2.110.0060.00620.51
8.2.100.0030.01119.57
8.2.90.0040.00417.63
8.2.80.0040.00818.75
8.2.70.0050.00517.63
8.2.60.0000.00817.75
8.2.50.0030.00517.98
8.2.40.0020.00518.34
8.2.30.0050.00317.92
8.2.20.0000.00720.34
8.2.10.0030.00618.05
8.2.00.0000.00719.18
8.1.330.0100.00921.88
8.1.320.0140.00616.04
8.1.310.0030.00516.76
8.1.300.0060.00316.19
8.1.290.0080.00430.84
8.1.280.0120.00625.92
8.1.270.0000.00823.99
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0030.00623.84
8.1.230.0070.00417.77
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0070.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00417.78
8.1.160.0040.00419.00
8.1.150.0030.00518.77
8.1.140.0000.00717.62
8.1.130.0030.00318.92
8.1.120.0060.00317.50
8.1.110.0000.00717.52
8.1.100.0040.00417.53
8.1.90.0000.00717.56
8.1.80.0000.00817.48
8.1.70.0080.00717.43
8.1.60.0190.00017.51
8.1.50.0140.00417.41
8.1.40.0090.00917.61
8.1.30.0170.00317.61
8.1.20.0150.00417.60
8.1.10.0190.00017.57
8.1.00.0100.01017.54
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0000.00718.51
8.0.270.0030.00316.79
8.0.260.0040.00418.50
8.0.250.0000.00717.01
8.0.240.0040.00417.05
8.0.230.0030.00317.02
8.0.220.0030.00317.09
8.0.210.0030.00316.99
8.0.200.0070.00016.98
8.0.190.0130.00316.95
8.0.180.0060.00916.96
8.0.170.0110.00416.97
8.0.160.0170.00017.00
8.0.150.0120.00516.75
8.0.140.0160.00016.82
8.0.130.0130.00416.90
8.0.120.0110.00416.76
8.0.110.0080.00816.93
8.0.100.0150.00016.87
8.0.90.0050.01016.95
8.0.80.0080.00816.90
8.0.70.0140.00216.85
8.0.60.0140.00016.85
8.0.50.0110.00516.82
8.0.30.0100.00516.82
8.0.20.0140.00316.81
8.0.10.0190.00016.95
7.4.330.0050.00015.55
7.4.320.0030.00316.46
7.4.300.0160.00316.59
7.4.290.0180.00016.68
7.4.280.0120.00416.66
7.4.270.0170.00016.56
7.4.260.0080.00816.47
7.4.250.0140.00316.47
7.4.240.0090.00916.64
7.4.230.0120.00616.65
7.4.220.0100.00516.63
7.4.210.0160.00316.65
7.4.200.0100.00716.46
7.4.190.0100.00516.52
7.4.180.0050.01016.70
7.4.160.0080.00816.62
7.4.150.0080.00816.64
7.4.140.0100.00616.55
7.4.130.0090.00616.50
7.4.120.0100.00516.50
7.4.110.0120.00316.51
7.4.100.0170.00016.63
7.4.90.0050.01016.53
7.4.80.0070.00716.65
7.4.70.0150.00016.57
7.4.60.0070.00716.57
7.4.50.0110.00316.41
7.4.40.0070.00816.58
7.4.30.0090.00616.55
7.4.20.0110.00416.57
7.4.10.0090.00616.57
7.4.00.0150.00016.49

preferences:
98.84 ms | 403 KiB | 5 Q