3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mb_str_pad($str, $pad_len, $pad_str = ' ', $dir = STR_PAD_RIGHT, $encoding = NULL) { $encoding = $encoding === NULL ? mb_internal_encoding() : $encoding; $padBefore = $dir === STR_PAD_BOTH || $dir === STR_PAD_LEFT; $padAfter = $dir === STR_PAD_BOTH || $dir === STR_PAD_RIGHT; $pad_len -= mb_strlen($str, $encoding); $targetLen = $padBefore && $padAfter ? $pad_len / 2 : $pad_len; $strToRepeatLen = mb_strlen($pad_str, $encoding); $repeatTimes = ceil($targetLen / $strToRepeatLen); $repeatedString = str_repeat($pad_str, max(0, $repeatTimes)); // safe if used with valid utf-8 strings $before = $padBefore ? mb_substr($repeatedString, 0, floor($targetLen), $encoding) : ''; $after = $padAfter ? mb_substr($repeatedString, 0, ceil($targetLen), $encoding) : ''; return $before . $str . $after; } // same random testing... foreach([STR_PAD_BOTH, STR_PAD_LEFT, STR_PAD_RIGHT] as $padType) { echo str_pad("FOO", 11, "✓", $padType) . "\n"; echo mb_str_pad("FOO", 11, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("FOO", 10, "aeo", $padType) . "\n"; echo mb_str_pad("FOO", 10, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("BAAZ", 11, "aeo", $padType) . "\n"; echo mb_str_pad("BAAZ", 11, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("BAAZ", 10, "aeo", $padType) . "\n"; echo mb_str_pad("BAAZ", 10, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("FOOBAR", 6, "aeo", $padType) . "\n"; echo mb_str_pad("FOOBAR", 6, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("FOOBAR", 1, "aeo", $padType) . "\n"; echo mb_str_pad("FOOBAR", 1, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("FOOBAR", 0, "aeo", $padType) . "\n"; echo mb_str_pad("FOOBAR", 0, "àèò", $padType, "UTF-8") . "\n"; echo str_pad("FOOBAR", -10, "aeo", $padType) . "\n"; echo mb_str_pad("FOOBAR", -10, "àèò", $padType, "UTF-8") . "\n"; echo "--\n"; } ?>

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)
8.3.60.0040.01118.30
8.3.50.0070.00717.88
8.3.40.0070.01018.71
8.3.30.0110.00319.03
8.3.20.0000.00820.19
8.3.10.0040.00421.75
8.3.00.0040.00419.38
8.2.180.0070.00716.75
8.2.170.0070.01122.96
8.2.160.0070.00722.17
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.79
8.2.110.0040.00820.66
8.2.100.0040.00817.88
8.2.90.0030.00519.32
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0030.00618.16
8.2.50.0050.00318.07
8.2.40.0060.00318.34
8.2.30.0000.00818.34
8.2.20.0000.00817.83
8.2.10.0030.00518.29
8.2.00.0050.00317.91
8.1.280.0170.00325.92
8.1.270.0000.01020.77
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.43
8.1.230.0040.00821.03
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0080.00417.38
8.1.190.0080.00016.98
8.1.180.0040.00418.10
8.1.170.0050.00320.56
8.1.160.0050.00322.14
8.1.150.0050.00218.93
8.1.140.0000.00817.48
8.1.130.0070.00017.92
8.1.120.0070.00717.57
8.1.110.0060.00317.49
8.1.100.0050.00317.43
8.1.90.0040.00417.46
8.1.80.0040.00417.55
8.1.70.0000.00717.60
8.1.60.0000.00817.69
8.1.50.0040.00717.65
8.1.40.0080.00017.54
8.1.30.0000.00817.78
8.1.20.0000.00717.86
8.1.10.0000.00817.55
8.1.00.0020.00517.63
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0040.00418.63
8.0.270.0040.00417.38
8.0.260.0070.00017.39
8.0.250.0030.00317.18
8.0.240.0000.00817.02
8.0.230.0040.00417.14
8.0.220.0040.00416.96
8.0.210.0000.00717.02
8.0.200.0000.00717.11
8.0.190.0040.00417.10
8.0.180.0000.00816.91
8.0.170.0040.00416.95
8.0.160.0000.00917.02
8.0.150.0030.00516.96
8.0.140.0070.00017.03
8.0.130.0030.00313.57
8.0.120.0040.00416.93
8.0.110.0030.00517.11
8.0.100.0040.00417.04
8.0.90.0000.00717.08
8.0.80.0130.00717.03
8.0.70.0040.00416.98
8.0.60.0030.00517.07
8.0.50.0040.00417.07
8.0.30.0090.01617.22
8.0.20.0050.01517.46
8.0.10.0070.00017.16
8.0.00.0130.00916.99
7.4.330.0000.00515.27
7.4.320.0060.00016.63
7.4.300.0000.00716.64
7.4.290.0070.00016.53
7.4.280.0040.00416.59
7.4.270.0000.00716.57
7.4.260.0040.00416.59
7.4.250.0000.00716.59
7.4.240.0020.00616.63
7.4.230.0030.00316.65
7.4.220.0120.00916.72
7.4.210.0060.00916.73
7.4.200.0000.00916.55
7.4.160.0130.00316.54
7.4.150.0120.00917.40
7.4.140.0130.00517.86
7.4.130.0100.00816.61
7.4.120.0070.01216.66
7.4.110.0150.00316.64
7.4.100.0000.01716.71
7.4.90.0120.00616.59
7.4.80.0170.00319.39
7.4.70.0120.00616.58
7.4.60.0090.00916.67
7.4.50.0020.00216.49
7.4.40.0090.00916.59
7.4.30.0110.01116.39
7.4.00.0060.00915.00
7.3.330.0000.00513.48
7.3.320.0090.00713.34
7.3.310.0070.00016.33
7.3.300.0030.00316.35
7.3.290.0090.00516.47
7.3.280.0070.00916.44
7.3.270.0060.01417.40
7.3.260.0130.01616.79
7.3.250.0080.01116.44
7.3.240.0110.00716.84
7.3.230.0090.01116.47
7.3.210.0070.01416.75
7.3.200.0070.01019.39
7.3.190.0100.01016.57
7.3.180.0110.00616.29
7.3.170.0030.01616.64
7.3.160.0030.01416.51
7.2.330.0090.00916.89
7.2.320.0170.00316.95
7.2.310.0110.00717.00
7.2.300.0060.01616.82
7.2.290.0060.01217.00
7.2.00.0040.00819.17
7.1.100.0030.00918.12
7.1.70.0000.00717.30
7.1.60.0100.01419.50
7.1.50.0090.01216.89
7.1.00.0070.07022.27
7.0.200.0000.00716.56
7.0.140.0000.06321.95
7.0.60.0230.03020.03
7.0.50.0130.07717.92
7.0.40.0100.07720.25
7.0.30.0270.03720.12
7.0.20.0270.08020.12
7.0.10.0200.08720.06
7.0.00.0100.03720.19
5.6.280.0070.07020.80
5.6.210.0100.07720.78
5.6.200.0130.07318.29
5.6.190.0030.09320.64
5.6.180.0330.05720.61
5.6.170.0530.06720.45
5.6.160.0130.06720.57
5.6.150.0030.04318.14
5.6.140.0070.06318.14
5.6.130.0070.06718.18
5.6.120.0100.07321.01
5.6.110.0100.07721.03
5.6.100.0130.06720.93
5.6.90.0100.07721.09
5.6.80.0170.07320.41
5.5.350.0070.08020.50
5.5.340.0070.08018.05
5.5.330.0030.04320.38
5.5.320.0070.08320.27
5.5.310.0330.05720.51
5.5.300.0100.06018.04
5.5.290.0070.07318.04
5.5.280.0030.04020.90
5.5.270.0100.08720.96
5.5.260.0130.08020.98
5.5.250.0030.04320.57
5.5.240.0100.05720.29
5.4.450.0530.05719.58
5.4.440.1000.04719.39
5.4.430.0830.05719.68
5.4.420.0900.05319.04
5.4.410.0870.05319.12
5.4.400.0230.05318.56
5.4.390.0230.06318.77
5.4.380.0200.06018.79
5.4.370.0200.05318.55
5.4.360.0100.06018.75
5.4.350.0170.06018.77
5.4.340.0200.05318.52
5.4.320.0230.05318.78
5.4.310.0230.05318.79
5.4.300.0100.06718.58
5.4.290.0300.06318.78
5.4.280.0300.04718.78
5.4.270.0170.05718.79
5.4.260.0170.05318.82
5.4.250.0200.05318.79
5.4.240.0300.05318.75
5.4.230.0170.06018.79
5.4.220.0130.06018.48
5.4.210.0330.04318.77
5.4.200.0230.05016.56
5.4.190.0270.07318.62
5.4.180.0230.07318.78
5.4.170.0130.06718.58
5.4.160.0130.07318.78
5.4.150.0200.06018.58
5.4.140.0230.06016.47
5.4.130.0330.04316.22
5.4.120.0200.06316.20
5.4.110.0330.04016.20
5.4.100.0230.05016.21
5.4.90.0130.05716.33
5.4.80.0230.05016.22
5.4.70.0130.06016.33
5.4.60.0300.04316.43
5.4.50.0200.05016.29
5.4.40.0200.05716.43
5.4.30.0430.04316.14
5.4.20.0300.05016.39
5.4.10.0300.04716.24
5.4.00.0230.04715.74
5.3.290.0170.06014.68
5.3.280.0200.05314.59
5.3.270.0270.06014.64
5.3.260.0230.07714.73
5.3.250.0200.05714.72
5.3.240.0130.06014.73
5.3.230.0300.05714.70
5.3.220.0230.07014.68
5.3.210.0400.04714.58
5.3.200.0270.04714.71
5.3.190.0270.05014.62
5.3.180.0200.05314.79
5.3.170.0230.05314.78
5.3.160.0270.05014.74
5.3.150.0170.05714.67
5.3.140.0270.04314.75
5.3.130.0300.04714.66
5.3.120.0200.05314.59
5.3.110.0200.05714.77
5.3.100.0230.05014.11
5.3.90.0270.05014.09
5.3.80.0200.05314.15
5.3.70.0200.05714.07
5.3.60.0400.04014.06
5.3.50.0330.04713.99
5.3.40.0170.05314.03
5.3.30.0230.04714.05
5.3.20.0270.04313.76
5.3.10.0300.05013.66
5.3.00.0170.06013.69
5.2.170.0200.05711.36
5.2.160.0130.04311.40
5.2.150.0200.04011.21
5.2.140.0200.04011.29
5.2.130.0230.03711.22
5.2.120.0130.04311.12
5.2.110.0200.04011.25
5.2.100.0200.03711.10
5.2.90.0130.05711.34
5.2.80.0170.05011.13
5.2.70.0230.04311.11
5.2.60.0200.04011.05
5.2.50.0300.04711.07
5.2.40.0100.05011.01
5.2.30.0200.05711.11
5.2.20.0200.05310.99
5.2.10.0170.05711.09
5.2.00.0170.03710.77
5.1.60.0230.03010.01
5.1.50.0170.03710.05
5.1.40.0170.03710.01
5.1.30.0170.03310.34
5.1.20.0230.03010.41
5.1.10.0200.02710.27
5.1.00.0200.03010.07
5.0.50.0100.0308.67
5.0.40.0130.0238.52
5.0.30.0070.0478.28
5.0.20.0070.0308.30
5.0.10.0130.0278.21
5.0.00.0070.0438.20
4.4.90.0170.0177.55
4.4.80.0070.0237.55
4.4.70.0100.0207.55
4.4.60.0100.0237.55
4.4.50.0070.0237.55
4.4.40.0100.0377.55
4.4.30.0130.0177.55
4.4.20.0070.0237.55
4.4.10.0130.0177.55
4.4.00.0100.0337.55
4.3.110.0170.0137.55
4.3.100.0100.0207.55
4.3.90.0070.0237.55
4.3.80.0100.0307.55
4.3.70.0030.0237.55
4.3.60.0100.0237.55
4.3.50.0030.0277.55
4.3.40.0170.0237.55
4.3.30.0070.0207.55
4.3.20.0030.0237.55
4.3.10.0030.0237.55
4.3.00.0100.0239.29

preferences:
45.51 ms | 400 KiB | 5 Q