3v4l.org

run code in 300+ PHP versions simultaneously
<?php // palindrom function anagram($s1, $s2) { $l1 = strlen($s1); $l2 = strlen($s2); if($l1 != $l2) return false; // $w1 = array(); $w2 = array(); // for($a=0; $a<$l1; $a++) { if(array_key_exists($s1[$a], $w1)) { $w1[$s1[$a]] = $w1[$s1[$a]] + 1; // print_r($s1[$a]); } else { $w1[$s1[$a]] = 1; } } // print_r($w1); for($a=0; $a<$l2; $a++) { if(array_key_exists($s2[$a], $w2)) { $w2[$s2[$a]] = $w2[$s2[$a]] + 1; print_r($s2[$a]); } else { $w2[$s2[$a]] = 1; } } ksort($w1); ksort($w2); print_r($w1); print_r($w2); print_r(array_diff(array_keys($w1), array_keys($w2))); } echo anagram('test', 'test'); //print_r(array('tesfsdf' => 'dasdsad')); ?>

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)
8.3.70.0090.00616.63
8.3.60.0070.01116.75
8.3.50.0080.01017.49
8.3.40.0090.00618.71
8.3.30.0070.01018.80
8.3.20.0030.00518.63
8.3.10.0080.00020.61
8.3.00.0040.00417.50
8.2.180.0110.00716.75
8.2.170.0140.00722.96
8.2.160.0030.01020.47
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00620.08
8.2.110.0100.00021.02
8.2.100.0080.00417.78
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0040.00418.03
8.2.60.0040.00418.22
8.2.50.0030.00518.10
8.2.40.0060.00319.39
8.2.30.0070.00019.33
8.2.20.0040.00417.65
8.2.10.0030.00619.38
8.2.00.0030.00617.68
8.1.280.0100.00725.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0150.00620.84
8.1.230.0000.01220.15
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0060.00317.35
8.1.190.0100.00317.23
8.1.180.0050.00318.10
8.1.170.0050.00318.55
8.1.160.0040.00418.69
8.1.150.0040.00418.80
8.1.140.0040.00417.36
8.1.130.0030.00517.80
8.1.120.0030.00317.25
8.1.110.0000.00717.34
8.1.100.0040.00417.41
8.1.90.0050.00317.55
8.1.80.0000.00717.38
8.1.70.0000.00717.43
8.1.60.0090.00017.62
8.1.50.0000.00817.43
8.1.40.0000.00817.43
8.1.30.0040.00417.63
8.1.20.0040.00417.62
8.1.10.0040.00417.49
8.1.00.0000.00717.50
8.0.300.0030.00618.77
8.0.290.0000.00716.75
8.0.280.0030.00318.38
8.0.270.0080.00017.18
8.0.260.0040.00416.77
8.0.250.0070.00016.98
8.0.240.0050.00516.81
8.0.230.0040.00416.87
8.0.220.0040.00416.85
8.0.210.0040.00416.76
8.0.200.0000.00716.88
8.0.190.0000.00716.91
8.0.180.0040.00416.90
8.0.170.0050.00316.75
8.0.160.0000.00716.87
8.0.150.0040.00416.89
8.0.140.0040.00816.70
8.0.130.0000.00613.36
8.0.120.0090.00016.81
8.0.110.0000.00716.84
8.0.100.0040.00416.73
8.0.90.0080.00016.71
8.0.80.0030.01616.87
8.0.70.0070.00016.84
8.0.60.0030.00516.68
8.0.50.0070.00016.93
8.0.30.0100.00917.05
8.0.20.0080.01117.09
8.0.10.0000.00716.83
8.0.00.0070.01416.65
7.4.330.0000.00512.98
7.4.320.0060.00016.46
7.4.300.0030.00316.52
7.4.290.0030.00316.57
7.4.280.0000.00916.50
7.4.270.0030.00516.38
7.4.260.0030.00313.25
7.4.250.0030.00516.57
7.4.240.0050.00216.53
7.4.230.0030.00316.27
7.4.220.0030.01316.45
7.4.210.0090.00716.57
7.4.200.0000.00716.71
7.4.190.0030.00316.76
7.4.160.0060.00916.50
7.4.150.0070.01116.33
7.4.140.0070.01116.59
7.4.130.0120.00916.57
7.4.120.0090.00916.52
7.4.110.0100.00716.54
7.4.100.0080.00816.37
7.4.90.0060.01116.58
7.4.80.0080.00816.62
7.4.70.0100.00716.39
7.4.60.0070.01016.56
7.4.50.0000.00816.44
7.4.40.0030.01116.70
7.4.30.0130.00716.56
7.4.00.0100.00715.03
7.3.330.0000.00613.34
7.3.320.0000.00513.24
7.3.310.0070.00016.43
7.3.300.0040.00416.29
7.3.290.0040.01016.39
7.3.280.0060.01016.39
7.3.270.0130.00316.41
7.3.260.0120.00616.57
7.3.250.0070.01516.48
7.3.240.0090.00616.28
7.3.230.0100.00716.43
7.3.210.0110.00816.46
7.3.200.0100.00719.39
7.3.190.0170.00416.75
7.3.180.0040.01116.32
7.3.170.0030.01516.43
7.3.160.0060.00916.38
7.3.120.0100.00614.55
7.2.330.0200.00516.80
7.2.320.0060.01116.70
7.2.310.0030.01616.86
7.2.300.0170.00016.67
7.2.290.0090.01216.60
7.1.70.0050.00517.01
7.1.60.0140.01019.40
7.1.50.0030.01616.94
7.1.00.0100.07322.46
7.0.200.0050.00216.62
7.0.140.0000.07321.91
7.0.120.0030.07322.26
7.0.60.0070.05320.07
7.0.50.0130.06317.97
7.0.40.0070.05320.40
7.0.30.0500.07020.19
7.0.20.0230.05020.20
7.0.10.0100.07720.30
7.0.00.0130.05020.18
5.6.280.0030.07321.11
5.6.210.0070.09020.68
5.6.200.0100.04318.18
5.6.190.0100.07320.40
5.6.180.3500.04020.39
5.6.170.0270.06020.62
5.6.160.0030.09720.52
5.6.150.0100.05718.27
5.6.140.0130.07318.28
5.6.130.0070.07318.14
5.6.120.0100.04021.03
5.6.110.0100.08321.00
5.6.100.0030.04721.00
5.6.90.0100.08021.02
5.6.80.0000.05320.40
5.6.70.4170.04320.39
5.5.350.0000.05020.47
5.5.340.0070.08017.96
5.5.330.0130.05020.29
5.5.320.0200.04320.31
5.5.310.0230.08720.36
5.5.300.0030.08317.98
5.5.290.0130.07318.02
5.5.280.0030.04020.97
5.5.270.0170.07720.88
5.5.260.0070.08720.65
5.5.250.0030.09020.80
5.5.240.0000.04320.20
5.4.450.0100.07019.44
5.4.440.0100.03319.25
5.4.430.0100.03319.44
5.4.420.0030.03719.44
5.4.410.0030.05019.06
5.4.400.0070.03718.88
5.4.390.0030.04018.82
5.4.380.0070.03319.11
5.4.370.0030.03719.22
5.4.360.0030.03719.24
5.4.350.0030.03719.16
5.4.340.0030.03719.20
5.4.320.0030.03719.24
5.4.310.0030.04019.24
5.4.300.0000.04019.11
5.4.290.0070.03318.92
5.4.280.0100.03319.07
5.4.270.0030.03719.07
5.4.260.0070.03319.24
5.4.250.0030.03718.84
5.4.240.0000.04019.15
5.4.230.0070.03319.23
5.4.220.0070.03319.14
5.4.210.0100.03019.08
5.4.200.0100.04019.14
5.4.190.0070.07319.00
5.4.180.0030.05719.23
5.4.170.0030.07019.13
5.4.160.0070.06018.93
5.4.150.0100.04319.10
5.4.140.0000.04316.43
5.4.130.0030.04016.41
5.4.120.0000.07316.35
5.4.110.0070.04716.41
5.4.100.0170.06316.30
5.4.90.0070.06316.30
5.4.80.0000.05316.38
5.4.70.0030.07316.41
5.4.60.0100.04316.41
5.4.50.0100.06716.38
5.4.40.0070.06716.43
5.4.30.0070.06716.38
5.4.20.0130.06716.25
5.4.10.0070.06016.38
5.4.00.0000.05015.95
5.3.290.0170.03014.69
5.3.280.0070.03714.63
5.3.270.0070.07314.65
5.3.260.0030.05014.64
5.3.250.0070.04314.63
5.3.240.0030.08014.69
5.3.230.0070.07314.65
5.3.220.0100.04314.59
5.3.210.0130.03314.63
5.3.200.0000.08014.74
5.3.190.0100.07314.59
5.3.180.0030.05314.62
5.3.170.0030.07714.72
5.3.160.0030.04714.59
5.3.150.0130.03014.57
5.3.140.0100.04714.59
5.3.130.0030.07014.63
5.3.120.0070.07714.57
5.3.110.0070.07014.59
5.3.100.0000.04014.12
5.3.90.0100.07013.92
5.3.80.0000.07014.18
5.3.70.0130.03714.19
5.3.60.0070.07314.02
5.3.50.0070.04013.96
5.3.40.0100.03313.97
5.3.30.0070.06014.07
5.3.20.0100.04713.71
5.3.10.0100.06313.68
5.3.00.0030.04013.80
5.2.170.0030.06711.21
5.2.160.0100.04011.32
5.2.150.0070.03311.31
5.2.140.0000.03711.30
5.2.130.0070.04011.17
5.2.120.0170.04711.13
5.2.110.0030.03011.16
5.2.100.0100.05011.18
5.2.90.0030.06311.17
5.2.80.0100.05711.00
5.2.70.0030.06711.11
5.2.60.0030.06311.12
5.2.50.0000.03311.18
5.2.40.0030.03011.05
5.2.30.0030.03011.04
5.2.20.0070.06310.96
5.2.10.0030.03710.84
5.2.00.0100.05310.65
5.1.60.0030.0539.92
5.1.50.0030.0509.98
5.1.40.0100.04010.05
5.1.30.0100.04010.38
5.1.20.0030.06010.38
5.1.10.0070.05710.13
5.1.00.0000.04710.04
5.0.50.0030.0308.47
5.0.40.0070.0178.49
5.0.30.0030.0638.30
5.0.20.0070.0478.19
5.0.10.0030.0438.24
5.0.00.0030.0338.09
4.4.90.0030.0377.94
4.4.80.0000.0207.94
4.4.70.0070.0207.94
4.4.60.0030.0237.94
4.4.50.0070.0207.94
4.4.40.0000.0507.94
4.4.30.0070.0277.94
4.4.20.0030.0377.94
4.4.10.0070.0337.94
4.4.00.0000.0307.94
4.3.110.0000.0377.94
4.3.100.0000.0407.94
4.3.90.0000.0337.94
4.3.80.0000.0437.94
4.3.70.0030.0177.94
4.3.60.0100.0207.94
4.3.50.0000.0237.94
4.3.40.0000.0307.94
4.3.30.0000.0337.94
4.3.20.0030.0307.94
4.3.10.0000.0237.94
4.3.00.0000.0177.94

preferences:
40.16 ms | 401 KiB | 5 Q