3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = 5; $f = 'somethingdumb'; function csc($c, $a) { if ($a < 0) { return csc($c, $a + 26); } $cd = ord($c); if (($cd >= 65) && ($cd <= 90)) { $c = chr((($cd - 65 + $a) % 26) + 65); } if (($cd >= 97) && ($cd <= 122)) { $c = chr((($cd - 97 + $a) % 26) + 97); } return $c; }; function crs($f) { global $r; $a = str_split($f); $cd = ""; for ($i=0; $i<count($a); $i++) { echo (($i+1) * $r). " | "; $cd .= csc($a[$i], ($i+1) * $r); } echo "\n"; return $cd; } function rcs($f, $a) { $ar = str_split($f); $cd = ""; for ($i=0; $i<count($a); $i++) { echo (($i+1) * $a). " | "; $cd .= csc($ar[$i], ($i+1) * $r); } return $cd; } var_dump(crs($f)); var_dump($r); var_dump(rcs($f, abs($r)));

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)
8.3.60.0140.00718.55
8.3.50.0000.01517.93
8.3.40.0030.01218.79
8.3.30.0120.00318.80
8.3.20.0000.00719.46
8.3.10.0050.00321.86
8.3.00.0070.00020.66
8.2.180.0060.00918.41
8.2.170.0090.00622.96
8.2.160.0150.00020.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0060.00619.77
8.2.110.0030.00721.94
8.2.100.0060.00617.77
8.2.90.0000.00818.22
8.2.80.0040.00417.97
8.2.70.0090.00018.05
8.2.60.0060.00318.22
8.2.50.0030.00818.10
8.2.40.0030.00619.33
8.2.30.0040.00419.40
8.2.20.0040.00418.24
8.2.10.0000.00718.04
8.2.00.0050.00317.73
8.1.280.0040.01125.92
8.1.270.0000.00822.19
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.86
8.1.230.0000.01220.97
8.1.220.0040.00417.79
8.1.210.0000.00818.83
8.1.200.0030.00617.47
8.1.190.0070.00417.35
8.1.180.0060.00318.10
8.1.170.0000.00818.56
8.1.160.0070.00018.91
8.1.150.0000.00718.93
8.1.140.0050.00222.17
8.1.130.0030.00320.30
8.1.120.0090.00017.48
8.1.110.0000.00717.43
8.1.100.0040.00417.38
8.1.90.0000.00717.38
8.1.80.0030.00517.47
8.1.70.0000.00717.50
8.1.60.0050.00317.59
8.1.50.0050.00317.56
8.1.40.0000.00917.59
8.1.30.0080.00417.58
8.1.20.0000.00717.60
8.1.10.0050.00317.62
8.1.00.0000.00717.43
8.0.300.0050.00319.90
8.0.290.0060.00316.75
8.0.280.0000.00718.47
8.0.270.0000.00717.17
8.0.260.0000.00718.48
8.0.250.0030.00317.06
8.0.240.0000.00817.07
8.0.230.0030.00317.01
8.0.220.0070.00017.00
8.0.210.0030.00316.99
8.0.200.0030.00317.02
8.0.190.0040.00417.06
8.0.180.0000.00716.92
8.0.170.0000.00816.97
8.0.160.0040.00416.88
8.0.150.0030.00616.99
8.0.140.0040.00416.96
8.0.130.0000.00613.46
8.0.120.0030.00516.98
8.0.110.0000.00816.89
8.0.100.0000.00717.10
8.0.90.0040.00416.89
8.0.80.0030.01516.91
8.0.70.0050.00316.93
8.0.60.0040.00416.95
8.0.50.0000.00716.77
8.0.30.0110.00817.15
8.0.20.0120.01217.40
8.0.10.0000.00717.00
8.0.00.0140.00716.90
7.4.330.0020.00215.55
7.4.320.0030.00316.55
7.4.300.0000.00616.54
7.4.290.0030.00316.64
7.4.280.0040.00416.45
7.4.270.0050.00216.57
7.4.260.0080.00016.63
7.4.250.0000.00716.46
7.4.240.0080.00016.52
7.4.230.0000.00816.61
7.4.220.0040.00416.62
7.4.210.0100.00716.67
7.4.200.0000.00716.43
7.4.160.0110.00516.61
7.4.140.0070.01217.86
7.4.130.0070.01416.45
7.4.120.0070.01216.56
7.4.110.0140.00416.73
7.4.100.0090.00916.47
7.4.90.0140.00716.66
7.4.80.0130.00919.39
7.4.70.0030.01316.71
7.4.60.0090.00616.70
7.4.50.0020.01316.42
7.4.40.0180.00416.41
7.4.00.0060.01214.92
7.3.330.0050.00013.36
7.3.320.0030.00313.37
7.3.310.0030.00616.54
7.3.300.0030.00316.36
7.3.290.0000.00716.40
7.3.280.0160.00716.45
7.3.260.0100.01016.59
7.3.240.0060.01216.52
7.3.230.0070.01416.54
7.3.210.0060.01316.68
7.3.200.0100.00716.54
7.3.190.0110.00616.40
7.3.180.0070.01316.51
7.3.170.0070.01316.61
7.3.160.0160.00016.52
7.3.120.0080.00615.07
7.3.110.0110.00614.84
7.3.100.0100.01014.99
7.3.90.0090.00614.98
7.3.80.0070.01014.98
7.3.70.0070.00715.02
7.3.60.0070.00715.02
7.3.50.0030.01214.91
7.3.40.0140.00414.75
7.3.30.0060.00314.96
7.3.20.0060.01016.75
7.3.10.0060.01016.72
7.3.00.0120.00616.84
7.2.330.0110.00616.85
7.2.320.0070.01516.79
7.2.310.0100.00716.59
7.2.300.0150.00616.76
7.2.290.0060.01116.89
7.2.250.0030.01614.82
7.2.240.0030.01415.11
7.2.230.0040.01214.96
7.2.220.0060.00915.15
7.2.210.0100.00714.99
7.2.200.0070.01115.33
7.2.190.0080.00315.08
7.2.180.0070.01014.89
7.2.170.0030.01414.91
7.2.110.0040.01216.31
7.2.100.0060.00616.76
7.2.90.0030.01316.67
7.2.80.0060.00816.49
7.2.70.0090.00916.71
7.2.60.0070.01016.85
7.2.50.0080.01117.01
7.2.40.0120.00316.98
7.2.30.0040.00816.90
7.2.20.0030.01017.07
7.2.10.0110.00816.71
7.2.00.0060.00917.08
7.1.330.0080.00515.84
7.1.320.0150.00315.89
7.1.310.0000.01515.82
7.1.300.0140.00015.51
7.1.290.0060.01015.60
7.1.280.0030.01015.80
7.1.270.0060.00315.56
7.1.260.0090.00615.89
7.1.230.0060.00915.61
7.1.220.0060.00615.84
7.1.210.0090.00315.68
7.1.200.0000.01415.56
7.1.190.0090.00815.69
7.1.180.0090.00615.85
7.1.170.0040.01115.91
7.1.160.0040.00815.77
7.1.150.0000.01315.70
7.1.140.0030.01315.76
7.1.130.0030.01115.59
7.1.120.0090.00315.68
7.1.110.0060.00915.65
7.1.100.0070.00715.93
7.1.90.0100.00315.75
7.1.80.0060.01115.69
7.1.70.0100.00315.92
7.1.60.0220.01133.73
7.1.50.0250.00633.91
7.1.40.0200.01533.91
7.1.30.0260.00633.51
7.1.20.0170.01533.88
7.1.10.0060.00915.80
7.1.00.0090.00615.55
5.6.380.0060.00614.50

preferences:
32.12 ms | 400 KiB | 5 Q