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run code in 300+ PHP versions simultaneously
<?php class AreAnagrams { public static function areStringsAnagrams($a, $b) { $a_arr = str_split(strtolower($a)); $b_arr = str_split(strtolower($b)); $az = range('a', 'z'); foreach ($a_arr as $char) { if (!isset($comp_arr[$char])) { $comp_arr[$char] = 0; } if (in_array($char, $az)) { $comp_arr[$char]++; } } foreach ($b_arr as $b_char) { if (!isset($comp_arr[$b_char])) { return FALSE; } if (in_array($char, $az)) { $comp_arr[$b_char]--; } } if (array_sum($comp_arr) !== 0) { return FALSE; } return TRUE; } } echo AreAnagrams::areStringsAnagrams('neural', 'unreal') ? 'True' : 'False'; echo AreAnagrams::areStringsAnagrams('sample', 'Maples') ? 'True' : 'False'; echo AreAnagrams::areStringsAnagrams('better', 'brttee') ? 'True' : 'False'; echo AreAnagrams::areStringsAnagrams('letter to editor', 'Retorted Toilet') ? 'True' : 'False'; echo AreAnagrams::areStringsAnagrams('letter to editor', 'Delete Riot Trot') ? 'True' : 'False'; echo AreAnagrams::areStringsAnagrams('letter to editor', 'Loitered Totter') ? 'True' : 'False';

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)
8.3.60.0080.00618.43
8.3.50.0060.00917.95
8.3.40.0120.00918.72
8.3.30.0130.00318.85
8.3.20.0040.00420.07
8.3.10.0060.00321.91
8.3.00.0050.00319.69
8.2.180.0040.01118.43
8.2.170.0170.00022.96
8.2.160.0120.00919.21
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0070.00020.38
8.2.120.0040.00426.35
8.2.110.0030.00719.39
8.2.100.0040.00817.91
8.2.90.0030.00519.68
8.2.80.0050.00318.34
8.2.70.0050.00317.93
8.2.60.0000.00818.05
8.2.50.0060.00318.10
8.2.40.0000.00720.42
8.2.30.0030.00519.23
8.2.20.0040.00417.63
8.2.10.0050.00218.12
8.2.00.0040.00418.16
8.1.280.0030.01725.92
8.1.270.0080.00024.02
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0050.00522.55
8.1.230.0050.00521.04
8.1.220.0060.00317.78
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0000.00917.35
8.1.180.0030.00518.10
8.1.170.0040.00418.57
8.1.160.0000.00722.19
8.1.150.0050.00218.82
8.1.140.0080.00019.57
8.1.130.0000.00717.62
8.1.120.0070.00017.38
8.1.110.0090.00017.32
8.1.100.0030.00417.54
8.1.90.0080.00017.50
8.1.80.0000.00717.54
8.1.70.0100.00017.44
8.1.60.0090.00017.60
8.1.50.0040.00417.55
8.1.40.0050.00317.57
8.1.30.0000.00817.63
8.1.20.0000.00717.68
8.1.10.0000.00817.55
8.1.00.0000.00817.49
8.0.300.0060.00319.98
8.0.290.0070.00316.58
8.0.280.0040.00418.33
8.0.270.0030.00317.32
8.0.260.0000.00617.33
8.0.250.0000.00716.86
8.0.240.0000.00816.86
8.0.230.0000.00717.03
8.0.220.0050.00216.80
8.0.210.0000.00816.90
8.0.200.0070.00316.86
8.0.190.0030.00616.83
8.0.180.0000.00716.94
8.0.170.0000.00816.80
8.0.160.0040.00416.87
8.0.150.0030.00516.85
8.0.140.0070.00016.94
8.0.130.0060.00013.41
8.0.120.0000.00816.88
8.0.110.0090.00016.83
8.0.100.0040.00416.80
8.0.90.0000.00816.76
8.0.80.0060.00916.89
8.0.70.0000.00716.78
8.0.60.0040.00416.97
8.0.50.0050.00216.73
8.0.30.0120.00817.00
8.0.20.0150.00517.40
8.0.10.0000.00816.98
8.0.00.0130.00616.80
7.4.330.0040.00415.08
7.4.320.0000.00616.50
7.4.300.0030.00516.52
7.4.290.0000.00716.62
7.4.280.0050.00316.51
7.4.270.0000.00716.43
7.4.260.0000.00716.54
7.4.250.0040.00416.55
7.4.240.0050.00216.52
7.4.230.0050.00216.65
7.4.220.0080.00916.52
7.4.210.0190.00616.50
7.4.200.0000.00816.54
7.4.160.0080.00816.51
7.4.150.0090.00917.40
7.4.140.0110.01017.86
7.4.130.0090.00816.61
7.4.120.0140.00716.40
7.4.110.0130.00516.59
7.4.100.0090.00616.32
7.4.90.0180.00416.43
7.4.80.0070.01019.39
7.4.70.0110.00616.57
7.4.60.0110.01216.47
7.4.50.0140.00316.51
7.4.40.0110.01116.55
7.4.30.0100.00716.43
7.4.00.0030.01414.99
7.3.330.0000.00813.39
7.3.320.0000.00613.44
7.3.310.0040.00416.30
7.3.300.0070.00016.34
7.3.290.0110.00416.40
7.3.280.0080.00816.38
7.3.270.0030.01317.40
7.3.260.0100.00916.58
7.3.250.0100.00816.54
7.3.240.0080.01016.49
7.3.230.0120.00616.48
7.3.210.0030.01616.38
7.3.200.0080.00816.66
7.3.190.0100.00716.25
7.3.180.0150.00316.39
7.3.170.0070.00816.38
7.3.160.0120.00616.46
7.3.120.0080.00814.77
7.3.110.0150.00014.78
7.3.100.0030.01614.65
7.3.90.0090.00614.70
7.3.80.0100.00715.00
7.3.70.0060.00614.83
7.3.60.0090.00615.02
7.3.50.0080.00515.00
7.3.40.0030.00914.88
7.3.30.0040.00814.89
7.3.20.0040.01116.63
7.3.10.0040.01416.70
7.3.00.0040.00416.76
7.2.330.0090.00916.42
7.2.320.0110.00716.85
7.2.310.0140.00716.88
7.2.300.0230.00316.93
7.2.290.0150.00316.85
7.2.250.0030.01315.07
7.2.240.0030.01714.95
7.2.230.0060.00914.94
7.2.220.0070.00715.07
7.2.210.0040.01415.30
7.2.200.0080.00415.33
7.2.190.0100.00615.26
7.2.180.0040.01215.23
7.2.170.0030.00614.84
7.2.00.0050.01019.43
7.1.330.0000.01315.71
7.1.320.0070.01115.73
7.1.310.0070.00716.09
7.1.300.0030.01015.84
7.1.290.0000.01415.70
7.1.280.0090.00315.87
7.1.270.0100.00315.57
7.1.260.0030.00915.58
7.1.70.0050.00217.28
7.1.60.0040.00719.87
7.1.00.0030.07722.44
7.0.200.0300.00414.71
7.0.70.0630.09020.00
7.0.60.0830.06020.09
7.0.50.0700.06320.25
7.0.40.0430.06720.41
7.0.30.0570.07720.44
7.0.20.0630.08320.44
7.0.10.1100.08020.50
7.0.00.0670.07020.38
5.6.280.0000.07320.89
5.6.220.0630.08020.71
5.6.210.0770.07720.58
5.6.200.0630.06321.14
5.6.190.0630.05721.10
5.6.180.0670.06721.11
5.6.170.0900.07721.08
5.6.160.0370.08021.09
5.6.150.0570.07321.09
5.6.140.0500.06721.08
5.6.130.0400.07021.07
5.6.120.0830.04021.03
5.6.110.0630.06321.20
5.6.100.0500.06021.05
5.6.90.0500.07021.07
5.6.80.0530.05720.52
5.6.70.0530.07020.40
5.6.60.0670.07020.45
5.6.50.0570.06020.48
5.6.40.0500.07020.40
5.6.30.0470.06020.44
5.6.20.0600.07720.47
5.6.10.0600.06320.38
5.6.00.0800.07320.52
5.5.360.0730.09020.40
5.5.350.0730.07320.46
5.5.340.0530.07020.96
5.5.330.0700.06020.88
5.5.320.0530.07020.95
5.5.310.0530.08720.93
5.5.300.0370.07320.93
5.5.290.0500.05020.85
5.5.280.0500.06720.90
5.5.270.0600.05720.85
5.5.260.0570.06320.97
5.5.250.0400.08020.54
5.5.240.0500.05720.33
5.5.230.0300.08320.25
5.5.220.0600.05320.23
5.5.210.0600.06020.22
5.5.200.0370.06320.31
5.5.190.0430.06720.19
5.5.180.0600.05720.31
5.5.160.0730.07020.25
5.5.150.0870.08320.25
5.5.140.0970.06720.22
5.5.130.0700.06320.07
5.5.120.1030.08020.29
5.5.110.0900.07020.25
5.5.100.0730.06720.03
5.5.90.0670.06720.20
5.5.80.0800.04720.24
5.5.70.0770.08020.16
5.5.60.0900.05020.11
5.5.50.0570.07020.09
5.5.40.0830.04720.23
5.5.30.0630.07020.20
5.5.20.0200.05720.01
5.5.10.0270.07320.05
5.5.00.0700.06020.14

preferences:
62.27 ms | 401 KiB | 5 Q