3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encode($to_encode){ $i=0; $len=strlen($to_encode); $ret=''; for($i=0;$i<$len;++$i){ $ret.=str_pad(ord($to_encode[$i]),4,"0",STR_PAD_LEFT);//4 should be enough for UTF-8, right? } return $ret; } function decode($numberstr){ $numberstr=(string)$numberstr; $ret=''; $i=0; $ii=0; $len=strlen($numberstr); $shit=''; $len2=null; for($i=0;$i<$len;$i+=4){ $shit=ltrim(substr($numberstr,$i,4),'0'); $ret.=chr($shit[$i]); } return $ret; } $str="the quick brown fox jumps over the lazy dog こどものじかん"; var_dump($str,encode($str),decode(encode($str)));

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)
8.3.60.0110.00416.75
8.3.50.0050.01321.95
8.3.40.0150.00318.97
8.3.30.0120.00319.21
8.3.20.0040.00420.18
8.3.10.0000.00823.53
8.3.00.0040.00422.45
8.2.180.0110.00416.50
8.2.170.0140.00322.96
8.2.160.0100.00320.37
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0070.00022.27
8.2.110.0090.00021.18
8.2.100.0040.00817.84
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0030.00717.80
8.2.50.0080.00018.34
8.2.40.0080.00020.46
8.2.30.0040.00420.86
8.2.20.0040.00417.61
8.2.10.0080.00017.76
8.2.00.0040.00717.76
8.1.280.0140.00025.92
8.1.270.0100.01023.95
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.31
8.1.230.0080.00417.82
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0040.00418.61
8.1.160.0020.00518.87
8.1.150.0040.00420.00
8.1.140.0000.00717.34
8.1.130.0030.00317.88
8.1.120.0000.00717.46
8.1.110.0000.00717.30
8.1.100.0040.00417.30
8.1.90.0060.00317.45
8.1.80.0000.00717.44
8.1.70.0030.00317.44
8.1.60.0040.00417.55
8.1.50.0060.00317.48
8.1.40.0030.00517.42
8.1.30.0080.00017.65
8.1.20.0040.00417.58
8.1.10.0000.00717.61
8.1.00.0040.00417.41
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0040.00418.36
8.0.270.0000.00717.21
8.0.260.0060.00016.88
8.0.250.0000.00716.93
8.0.240.0030.00316.98
8.0.230.0050.00217.02
8.0.220.0030.00316.87
8.0.210.0040.00416.88
8.0.200.0040.00416.88
8.0.190.0070.00016.90
8.0.180.0040.00416.80
8.0.170.0040.00416.94
8.0.160.0040.00416.91
8.0.150.0000.00716.93
8.0.140.0000.00716.78
8.0.130.0030.00313.25
8.0.120.0030.00616.77
8.0.110.0080.00016.93
8.0.100.0000.00716.74
8.0.90.0040.00416.91
8.0.80.0070.00816.94
8.0.70.0040.00416.90
8.0.60.0020.00516.95
8.0.50.0050.00216.94
8.0.30.0140.00516.96
8.0.20.0130.00517.40
8.0.10.0000.00716.83
8.0.00.0140.00716.58
7.4.330.0000.00515.00
7.4.320.0030.00316.64
7.4.300.0030.00316.62
7.4.290.0030.00316.52
7.4.280.0050.00316.59
7.4.270.0040.00416.45
7.4.260.0040.00416.62
7.4.250.0050.00316.63
7.4.240.0050.00316.59
7.4.230.0070.00016.61
7.4.220.0160.01016.62
7.4.210.0090.00816.57
7.4.200.0000.00716.54
7.4.190.0040.00416.68
7.4.160.0090.00916.44
7.4.150.0060.01217.40
7.4.140.0100.00817.86
7.4.130.0080.01016.68
7.4.120.0120.01016.63
7.4.110.0070.01016.66
7.4.100.0170.00816.46
7.4.90.0110.00816.39
7.4.80.0070.01119.39
7.4.70.0090.00916.54
7.4.60.0060.01116.35
7.4.50.0000.00816.40
7.4.40.0000.01622.77
7.4.30.0060.01816.67
7.4.00.0080.00914.80
7.3.330.0000.00613.41
7.3.320.0000.00613.46
7.3.310.0030.00316.34
7.3.300.0000.00716.50
7.3.290.0040.01116.43
7.3.280.0110.00616.39
7.3.270.0000.01817.40
7.3.260.0130.01316.29
7.3.250.0120.00916.43
7.3.240.0190.00316.38
7.3.230.0030.01416.39
7.3.210.0090.00916.33
7.3.200.0120.00819.39
7.3.190.0030.01516.40
7.3.180.0100.00716.46
7.3.170.0070.01016.46
7.3.160.0170.00016.43
7.3.120.0100.00514.99
7.3.110.0160.00314.85
7.3.100.0060.00914.78
7.3.90.0080.00414.78
7.3.80.0100.00714.62
7.3.70.0040.00714.86
7.3.60.0000.00914.90
7.3.50.0030.00614.67
7.3.40.0060.01214.75
7.3.30.0080.00314.93
7.3.20.0070.01016.75
7.3.10.0070.00716.84
7.3.00.0090.00616.63
7.2.330.0090.01516.81
7.2.320.0160.00316.75
7.2.310.0160.00616.80
7.2.300.0090.00916.63
7.2.290.0030.01316.43
7.2.250.0070.01015.01
7.2.240.0000.02115.05
7.2.230.0060.00915.36
7.2.220.0060.00914.84
7.2.210.0070.00714.91
7.2.200.0090.00014.85
7.2.190.0060.00615.09
7.2.180.0070.00315.32
7.2.170.0080.00814.88
7.2.00.0060.00919.58
7.1.330.0090.00615.71
7.1.320.0040.01115.80
7.1.310.0050.00515.71
7.1.300.0070.01015.96
7.1.290.0060.00315.81
7.1.280.0030.01015.82
7.1.270.0070.01015.75
7.1.260.0000.01415.83
7.1.100.0070.00718.18
7.1.70.0040.00416.99
7.1.60.0130.01319.29
7.1.50.0120.00617.00
7.1.00.0100.07022.48
7.0.200.0030.01016.62
7.0.140.0130.06721.96
7.0.100.0030.05019.91
7.0.90.0130.04020.03
7.0.80.0100.04719.96
7.0.70.0130.04019.93
7.0.60.0000.04020.08
7.0.50.0230.03320.31
7.0.40.0070.03720.14
7.0.30.0000.07020.08
7.0.20.0030.04720.00
7.0.10.0100.03720.16
7.0.00.0070.04020.14
5.6.280.0030.07721.05
5.6.250.0030.08020.60
5.6.240.0070.04320.62
5.6.230.0070.04320.63
5.6.220.0000.04320.59
5.6.210.0070.03720.61
5.6.200.0100.04021.18
5.6.190.0000.05021.14
5.6.180.0000.06721.04
5.6.170.0100.03321.08
5.6.160.0030.04320.96
5.6.150.0030.04320.94
5.6.140.0100.03721.02
5.6.130.0070.04321.05
5.6.120.0070.03720.96
5.6.110.0100.03721.00
5.6.100.0030.04321.13
5.6.90.0030.03721.05
5.6.80.0030.03720.42
5.6.70.0030.04020.47
5.6.60.0030.03320.43
5.6.50.0030.04020.40
5.6.40.0070.03320.44
5.6.30.0030.04720.47
5.6.20.0130.04020.31
5.6.10.0030.03720.29
5.6.00.0030.04020.40
5.5.380.0030.05020.43
5.5.370.0030.05020.39
5.5.360.0030.04320.45
5.5.350.0030.03720.34
5.5.340.0070.03720.78
5.5.330.0070.05320.88
5.5.320.0070.08020.74
5.5.310.0100.04720.89
5.5.300.0030.04020.81
5.5.290.0030.04720.93
5.5.280.0030.04320.92
5.5.270.0030.04320.76
5.5.260.0130.03320.80
5.5.250.0100.04020.70
5.5.240.0100.03320.20
5.5.230.0070.04020.12
5.5.220.0070.03720.25
5.5.210.0070.03720.03
5.5.200.0030.03320.24
5.5.190.0000.04020.22
5.5.180.0070.03020.23
5.5.160.0030.04020.17
5.5.150.0030.03320.25
5.5.140.0030.04020.22
5.5.130.0000.04320.29
5.5.120.0030.04320.28
5.5.110.0030.08020.27
5.5.100.0030.03720.02
5.5.90.0130.07720.10
5.5.80.0030.07319.93
5.5.70.0100.07720.05
5.5.60.0100.07720.03
5.5.50.0030.08020.16
5.5.40.0170.06720.05
5.5.30.0100.04320.06
5.5.20.0030.08020.09
5.5.10.0100.08720.04
5.5.00.0100.07019.96
5.4.450.0030.04019.23
5.4.440.0070.03719.47
5.4.430.0070.03319.36
5.4.420.0030.04019.44
5.4.410.0030.05019.38
5.4.400.0070.03319.23
5.4.390.0030.03718.88
5.4.380.0000.03318.84
5.4.370.0030.03018.95
5.4.360.0070.02719.16
5.4.350.0030.03019.23
5.4.340.0030.04018.95
5.4.320.0070.03019.14
5.4.310.0030.03019.12
5.4.300.0000.04719.04
5.4.290.0100.02718.94
5.4.280.0030.04719.09
5.4.270.0100.03319.13
5.4.260.0030.06018.87
5.4.250.0030.06319.03
5.4.240.0100.06318.90
5.4.230.0000.07719.20
5.4.220.0070.04019.15
5.4.210.0070.07019.13
5.4.200.0100.07319.11
5.4.190.0100.07319.02
5.4.180.0030.04719.03
5.4.170.0030.07319.13
5.4.160.0030.07019.01
5.4.150.0100.07019.03
5.4.140.0030.04316.30
5.4.130.0030.07716.30
5.4.120.0030.03716.29
5.4.110.0070.06716.56
5.4.100.0030.07716.32
5.4.90.0130.07016.55
5.4.80.0070.05716.53
5.4.70.0030.04316.54
5.4.60.0100.06316.37
5.4.50.0100.04316.44
5.4.40.0070.06716.45
5.4.30.0030.07016.29
5.4.20.0070.06716.47
5.4.10.0000.05016.46
5.4.00.0070.08315.95
5.3.290.0070.03714.73
5.3.280.0000.08014.62
5.3.270.0070.04014.54
5.3.260.0130.07314.59
5.3.250.0100.07014.57
5.3.240.0030.06314.55
5.3.230.0000.05714.54
5.3.220.0100.06714.50
5.3.210.0030.08014.50
5.3.200.0030.07714.50
5.3.190.0230.06014.59
5.3.180.0100.07714.69
5.3.170.0030.05014.49
5.3.160.0100.06314.62
5.3.150.0000.04714.60
5.3.140.0070.07714.62
5.3.130.0130.06714.67
5.3.120.0030.04314.57
5.3.110.0070.07014.55
5.3.100.0100.07314.02
5.3.90.0070.04014.14
5.3.80.0100.06714.14
5.3.70.0100.05014.08
5.3.60.0100.07014.02
5.3.50.0030.05714.09
5.3.40.0030.07713.86
5.3.30.0100.07313.90
5.3.20.0100.06713.83
5.3.10.0030.03713.78
5.3.00.0070.06013.76
5.2.170.0000.05011.08
5.2.160.0000.04011.23
5.2.150.0030.05711.24
5.2.140.0000.04311.23
5.2.130.0030.04011.02
5.2.120.0030.06311.17
5.2.110.0030.03310.97
5.2.100.0100.02711.22
5.2.90.0000.04311.02
5.2.80.0070.05011.01
5.2.70.0070.03311.03
5.2.60.0030.03710.99
5.2.50.0030.06311.05
5.2.40.0030.03310.89
5.2.30.0030.05710.89
5.2.20.0030.05310.88
5.2.10.0130.05310.99
5.2.00.0030.04710.84
5.1.60.0000.05010.07
5.1.50.0000.03010.00
5.1.40.0100.02710.10
5.1.30.0100.04710.45
5.1.20.0070.05010.27
5.1.10.0000.05710.17
5.1.00.0070.0339.91
5.0.50.0000.0278.89
5.0.40.0070.0408.89
5.0.30.0030.0478.89
5.0.20.0000.0238.89
5.0.10.0070.0378.89
5.0.00.0070.0538.89
4.4.90.0070.0308.89
4.4.80.0030.0278.89
4.4.70.0000.0338.89
4.4.60.0070.0138.89
4.4.50.0100.0238.89
4.4.40.0070.0478.89
4.4.30.0070.0308.89
4.4.20.0030.0378.89
4.4.10.0030.0208.89
4.4.00.0030.0578.89
4.3.110.0030.0338.89
4.3.100.0000.0338.89
4.3.90.0100.0278.89
4.3.80.0030.0578.89
4.3.70.0000.0308.89
4.3.60.0000.0178.89
4.3.50.0000.0208.89
4.3.40.0030.0378.89
4.3.30.0000.0308.89
4.3.20.0030.0238.89
4.3.10.0030.0308.89
4.3.00.0000.0178.89

preferences:
44.7 ms | 401 KiB | 5 Q