3v4l.org

run code in 300+ PHP versions simultaneously
<?php // ~x = -x - 1 $a = "~(echo 'Hello';)"; $s = str_split($a); $v = null; foreach($s as $c) { $o = ord($c); $v .= chr(($o * -1) - 1); } $code = urlencode((~(~$v))); #echo (~urldecode($code)); #eval("echo 'Hello';"); echo urldecode($code); echo eval(urldecode($code));

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)
8.3.60.0150.00018.43
8.3.50.0060.01221.93
8.3.40.0110.00318.97
8.3.30.0140.00018.92
8.3.20.0070.00021.69
8.3.10.0060.00321.53
8.3.00.0040.00419.38
8.2.180.0120.00918.39
8.2.170.0110.00422.96
8.2.160.0110.00320.47
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00418.09
8.2.120.0050.00326.35
8.2.110.0000.00922.43
8.2.100.0090.00317.97
8.2.90.0090.00017.88
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0040.00418.22
8.2.50.0040.00418.10
8.2.40.0030.00520.54
8.2.30.0040.00419.25
8.2.20.0040.00418.00
8.2.10.0000.00718.13
8.2.00.0000.00817.86
8.1.280.0090.00625.92
8.1.270.0050.00320.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0060.00619.10
8.1.220.0080.00617.74
8.1.210.0030.00618.77
8.1.200.0060.00617.13
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0000.00821.97
8.1.160.0050.00318.85
8.1.150.0000.00720.18
8.1.140.0000.00819.50
8.1.130.0000.00618.89
8.1.120.0030.00317.51
8.1.110.0050.00317.35
8.1.100.0040.00417.48
8.1.90.0040.00317.37
8.1.80.0040.00417.48
8.1.70.0060.00317.46
8.1.60.0040.00417.63
8.1.50.0000.00817.53
8.1.40.0000.00717.41
8.1.30.0000.00817.55
8.1.20.0000.00717.55
8.1.10.0040.00417.61
8.1.00.0000.00717.52
8.0.300.0040.00419.53
8.0.290.0080.00016.88
8.0.280.0030.00318.51
8.0.270.0080.00017.20
8.0.260.0030.00319.05
8.0.250.0030.00317.07
8.0.240.0000.00716.91
8.0.230.0030.00516.90
8.0.220.0040.00416.97
8.0.210.0040.00416.98
8.0.200.0030.00316.99
8.0.190.0040.00417.00
8.0.180.0040.00416.97
8.0.170.0050.00317.02
8.0.160.0000.00716.86
8.0.150.0050.00316.82
8.0.140.0040.00416.85
8.0.130.0030.00613.31
8.0.120.0000.00716.86
8.0.110.0040.00416.99
8.0.100.0080.00016.95
8.0.90.0000.00816.93
8.0.80.0000.01516.90
8.0.70.0000.00717.02
8.0.60.0040.00417.00
8.0.50.0000.00716.95
8.0.30.0100.00917.14
8.0.20.0090.00917.40
8.0.10.0040.00416.94
8.0.00.0130.00517.00
7.4.330.0000.00415.55
7.4.320.0000.00616.54
7.4.300.0060.00016.60
7.4.290.0070.00016.59
7.4.280.0060.00316.61
7.4.270.0040.00416.52
7.4.260.0070.00016.46
7.4.250.0000.00716.61
7.4.240.0040.00416.67
7.4.230.0040.00216.66
7.4.220.0140.00716.68
7.4.210.0000.02116.54
7.4.200.0000.00716.60
7.4.160.0050.01116.57
7.4.150.0110.00717.40
7.4.140.0100.00717.86
7.4.130.0040.01516.56
7.4.120.0090.00916.52
7.4.110.0080.00816.63
7.4.100.0110.00716.49
7.4.90.0160.00716.46
7.4.80.0100.00619.39
7.4.70.0100.00616.54
7.4.60.0030.01216.61
7.4.50.0100.00616.43
7.4.40.0130.00316.66
7.4.30.0070.01016.48
7.4.00.0100.00615.13
7.3.330.0000.00513.21
7.3.320.0000.00513.16
7.3.310.0070.00016.30
7.3.300.0040.00416.32
7.3.290.0050.00816.33
7.3.280.0100.00716.34
7.3.270.0130.00317.40
7.3.260.0170.00416.47
7.3.250.0080.01016.48
7.3.240.0070.01016.38
7.3.230.0100.00716.70
7.3.210.0200.00316.36
7.3.200.0100.00716.41
7.3.190.0090.00916.60
7.3.180.0110.00716.30
7.3.170.0140.00716.48
7.3.160.0030.01316.57
7.2.330.0090.00916.84
7.2.320.0120.00616.64
7.2.310.0080.00816.62
7.2.300.0030.01716.51
7.2.290.0060.01216.68
7.1.70.0060.00316.96
7.1.60.0030.01016.94
7.1.10.0100.06322.34
7.1.00.0170.05022.61
7.0.200.0000.01716.61
7.0.150.0030.06022.11
7.0.140.0070.05721.92
7.0.130.0100.05322.11
7.0.120.0130.05322.11
7.0.110.0100.05722.14
7.0.100.0030.06322.09
7.0.90.0130.08021.94
7.0.80.0100.05722.05
7.0.70.0100.05322.05
7.0.60.0000.07722.11
7.0.50.0000.06022.16
7.0.40.0100.05022.17
7.0.30.0070.05722.10
7.0.20.0100.05022.14
7.0.10.0130.04722.18
7.0.00.0230.06021.99

preferences:
70.47 ms | 401 KiB | 5 Q