3v4l.org

run code in 300+ PHP versions simultaneously
<?php function prepareArray($str) { $onlyLowerLetters = preg_replace('/[^a-z]/', '', strtolower($str)); $stringArray = str_split(str_replace(' ', '', $onlyLowerLetters)); $uniqueArray = array_unique($stringArray); $countsArray = []; foreach ($uniqueArray as $letter) { $countsArray[$letter] = substr_count($onlyLowerLetters, $letter); } unset($letter); foreach ($countsArray as $k => $v) { if ($v === 1) unset($countsArray[$k]); } ksort($countsArray); reset($countsArray); return $countsArray; } function getIntersect($a1, $a2) { $ar = array_intersect($a1, $a2); $intersect = []; foreach ($ar as $k => $v) { $intersect[$k] = $v; } return $intersect; } function compareArrays($a1, $a2) { // var_export($a1); // echo "\n"; // var_export($a2); // echo "\n"; $resultArray = []; foreach ($a1 as $k => $v) { $resultArray[$k][0] = $v; if (isset($a2[$k]) && $a1[$k] > $a2[$k]) { $resultArray[$k][0] = $v; } } foreach ($a2 as $k => $v) { $resultArray[$k][1] = $v; if (isset($a1[$k]) && $a1[$k] < $a2[$k]) { $resultArray[$k][1] = $v; } } arsort($resultArray); // reset($resultArray); return $resultArray; } function mix($s1, $s2) { $s1Prepared = prepareArray($s1); $s2Prepared = prepareArray($s2); var_export($s1Prepared); echo "\n"; var_export($s2Prepared); echo "\n"; $intersectArray = getIntersect($s1Prepared, $s2Prepared); // var_export($intersectArray); // echo "\n"; $diffArray = compareArrays(array_diff_key($s1Prepared, $intersectArray), array_diff_key($s2Prepared, $intersectArray)); var_export($diffArray); echo "\n"; // $allLetters = array_merge($diffArray, $intersectArray); // var_export($allLetters); } mix("Are they here", "yes, they are here");

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)
8.3.60.0060.01216.75
8.3.50.0110.01122.19
8.3.40.0110.00719.09
8.3.30.0090.00618.91
8.3.20.0050.00318.98
8.3.10.0000.00821.60
8.3.00.0040.00421.54
8.2.180.0100.00717.00
8.2.170.0110.00722.96
8.2.160.0070.00720.52
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0090.00019.57
8.2.120.0110.00426.35
8.2.110.0030.00622.29
8.2.100.0060.00617.91
8.2.90.0080.00017.88
8.2.80.0060.00617.97
8.2.70.0030.00718.04
8.2.60.0000.00818.16
8.2.50.0000.00818.10
8.2.40.0050.00319.48
8.2.30.0000.00819.41
8.2.20.0000.00818.16
8.2.10.0040.00418.21
8.2.00.0060.00317.78
8.1.280.0030.01025.92
8.1.270.0090.00623.96
8.1.260.0030.00528.09
8.1.250.0030.00328.09
8.1.240.0060.00322.59
8.1.230.0080.00420.84
8.1.220.0040.00417.77
8.1.210.0030.00618.77
8.1.200.0030.00617.60
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00018.78
8.1.160.0000.00823.98
8.1.150.0000.00818.97
8.1.140.0050.00219.48
8.1.130.0030.00617.70
8.1.120.0000.00717.62
8.1.110.0040.00417.59
8.1.100.0000.00717.59
8.1.90.0070.00017.52
8.1.80.0040.00417.51
8.1.70.0000.00717.59
8.1.60.0050.00317.74
8.1.50.0060.00317.66
8.1.40.0040.00417.73
8.1.30.0040.00417.84
8.1.20.0050.00317.75
8.1.10.0030.00617.63
8.1.00.0000.00817.57
8.0.300.0080.00019.64
8.0.290.0070.00016.88
8.0.280.0030.00318.39
8.0.270.0040.00417.29
8.0.260.0050.00517.18
8.0.250.0000.00717.08
8.0.240.0030.00617.15
8.0.230.0040.00417.15
8.0.220.0100.00016.93
8.0.210.0040.00416.96
8.0.200.0030.00317.12
8.0.190.0080.00017.02
8.0.180.0000.00817.08
8.0.170.0040.00417.11
8.0.160.0000.00717.04
8.0.150.0000.00816.96
8.0.140.0040.00416.96
8.0.130.0000.00613.54
8.0.120.0000.00816.91
8.0.110.0050.00217.09
8.0.100.0000.00716.84
8.0.90.0000.00717.01
8.0.80.0150.00016.99
8.0.70.0050.00316.82
8.0.60.0000.00716.86
8.0.50.0040.00416.93
8.0.30.0060.00917.43
8.0.20.0130.00717.40
8.0.10.0040.00417.14
8.0.00.0190.00616.74
7.4.330.0060.00015.55
7.4.320.0000.00616.80
7.4.300.0000.00616.82
7.4.290.0000.00716.81
7.4.280.0030.00516.80
7.4.270.0030.00316.82
7.4.260.0070.00016.68
7.4.250.0000.00716.59
7.4.240.0070.00016.84
7.4.230.0070.00016.77
7.4.220.0030.02416.60
7.4.210.0090.01216.85
7.4.200.0050.00216.85
7.4.160.0090.00816.52
7.4.150.0030.01817.40
7.4.140.0060.01417.86
7.4.130.0120.00816.74
7.4.120.0060.01216.66
7.4.110.0040.01416.70
7.4.100.0070.01016.61
7.4.90.0120.00916.66
7.4.80.0030.01319.39
7.4.70.0080.00916.70
7.4.60.0030.01416.95
7.4.50.0030.01316.75
7.4.40.0070.01316.67
7.4.30.0140.00716.78
7.4.00.0030.00715.05
7.3.330.0030.00313.48
7.3.320.0030.00313.39
7.3.310.0030.00316.57
7.3.300.0000.00716.50
7.3.290.0080.00716.56
7.3.280.0100.01016.50
7.3.270.0120.00617.40
7.3.260.0070.01316.73
7.3.250.0110.00916.60
7.3.240.0070.01316.58
7.3.230.0070.01416.77
7.3.210.0120.00616.53
7.3.200.0030.01316.82
7.3.190.0100.00616.65
7.3.180.0040.01316.50
7.3.170.0160.00016.80
7.3.160.0040.01316.67
7.3.10.0000.01516.83
7.3.00.0030.00816.80
7.2.330.0150.00416.88
7.2.320.0090.00917.03
7.2.310.0080.00816.84
7.2.300.0100.01416.66
7.2.290.0040.01316.93
7.2.130.0110.00717.19
7.2.120.0030.00916.97
7.2.110.0110.00017.16
7.2.100.0070.00717.11
7.2.90.0030.00616.88
7.2.80.0040.01117.26
7.2.70.0060.00917.23
7.2.60.0130.00017.08
7.2.50.0060.00316.85
7.2.40.0030.00916.98
7.2.30.0060.00917.20
7.2.20.0080.00816.98
7.2.10.0140.00317.19
7.2.00.0060.01118.20
7.1.250.0060.00615.77
7.1.70.0030.00617.49
7.1.60.0070.00717.58
7.1.00.0000.08022.55
7.0.200.0160.00314.99
7.0.120.0430.06720.29
7.0.110.0800.05720.31
7.0.100.0530.07320.36
7.0.90.0200.08320.39
7.0.80.0200.05320.25
7.0.70.0230.08020.38
7.0.60.0370.05320.35
7.0.50.0400.06020.39
7.0.40.0330.06320.34
7.0.30.0430.06320.35
7.0.20.0500.07320.32
7.0.10.0430.07720.32
7.0.00.0330.05720.31
5.6.270.0170.06720.94
5.6.260.0170.05721.09
5.6.250.0100.06021.04
5.6.240.0270.04720.77
5.6.230.0070.06720.89
5.6.220.0130.07020.83
5.6.210.0070.06721.07
5.6.200.0070.06721.09
5.6.190.0230.04721.04
5.6.180.0130.07020.93
5.6.170.0070.07321.04
5.6.160.0200.05321.05
5.6.150.0100.06721.09
5.6.140.0170.06321.09
5.6.130.0100.08320.81
5.6.120.0100.06321.04
5.6.110.0130.06320.76
5.6.100.0230.07021.04
5.6.90.0130.05720.87
5.6.80.0100.06320.44
5.6.70.0130.06020.40
5.6.60.0030.09320.25
5.6.50.0030.07020.45
5.6.40.0170.04720.23
5.6.30.0070.05720.39
5.6.20.0200.04720.42
5.6.10.0170.07320.18
5.6.00.0070.05720.42

preferences:
62.66 ms | 401 KiB | 5 Q