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); } 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)
8.3.40.0040.01118.79
8.3.30.0110.00318.68
8.3.20.0000.00818.73
8.3.10.0090.00021.21
8.3.00.0020.00521.62
8.2.170.0110.00322.96
8.2.160.0070.00722.17
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00021.11
8.2.110.0100.00020.46
8.2.100.0110.00017.75
8.2.90.0050.00319.34
8.2.80.0080.00017.97
8.2.70.0050.00517.50
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0040.00418.09
8.2.30.0080.00021.25
8.2.20.0080.00017.73
8.2.10.0040.00417.77
8.2.00.0030.00517.77
8.1.270.0040.00423.99
8.1.260.0100.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00722.39
8.1.230.0060.00620.86
8.1.220.0050.00318.77
8.1.210.0040.00418.86
8.1.200.0090.00017.10
8.1.190.0040.00417.51
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0040.00418.84
8.1.150.0030.00518.49
8.1.140.0000.00717.45
8.1.130.0050.00317.46
8.1.120.0040.00417.48
8.1.110.0000.00817.28
8.1.100.0030.00317.44
8.1.90.0040.00417.38
8.1.80.0080.00017.45
8.1.70.0000.00717.44
8.1.60.0030.00517.61
8.1.50.0070.00017.37
8.1.40.0000.00817.59
8.1.30.0030.00617.67
8.1.20.0000.00917.57
8.1.10.0050.00217.47
8.1.00.0000.00817.41
8.0.300.0000.00819.78
8.0.290.0090.00017.04
8.0.280.0080.00018.46
8.0.270.0000.00717.20
8.0.260.0000.00816.71
8.0.250.0070.00016.82
8.0.240.0080.00016.95
8.0.230.0030.00316.77
8.0.220.0030.00316.73
8.0.210.0030.00316.73
8.0.200.0030.00316.92
8.0.190.0000.00716.88
8.0.180.0060.00316.76
8.0.170.0080.00016.89
8.0.160.0000.00716.86
8.0.150.0080.00016.68
8.0.140.0050.00316.82
8.0.130.0030.00313.28
8.0.120.0040.00416.81
8.0.110.0000.00716.84
8.0.100.0040.00416.76
8.0.90.0050.00216.73
8.0.80.0070.00716.77
8.0.70.0070.00016.64
8.0.60.0070.00016.84
8.0.50.0070.00016.84
8.0.30.0110.00816.80
8.0.20.0110.00817.40
8.0.10.0020.00516.82
8.0.00.0080.00916.85
7.4.330.0000.00616.69
7.4.320.0000.00616.65
7.4.300.0030.00316.44
7.4.290.0000.00716.63
7.4.280.0000.00816.61
7.4.270.0040.00416.62
7.4.260.0030.00313.18
7.4.250.0000.00816.50
7.4.240.0030.00516.50
7.4.230.0040.00416.64
7.4.220.0060.01216.51
7.4.210.0080.00916.64
7.4.200.0050.00216.70
7.4.190.0000.00716.59
7.4.160.0100.00716.35
7.4.150.0030.01517.40
7.4.140.0090.00717.86
7.4.130.0110.00916.57
7.4.120.0090.00916.57
7.4.110.0120.00616.65
7.4.100.0040.01316.43
7.4.90.0060.01116.44
7.4.80.0110.00819.39
7.4.70.0150.00416.43
7.4.60.0070.01016.68
7.4.50.0000.00816.52
7.4.40.0060.01222.77
7.4.30.0050.01116.65
7.4.00.0000.01814.91
7.3.330.0040.00413.21
7.3.320.0000.00613.30
7.3.310.0040.00416.44
7.3.300.0060.00316.43
7.3.290.0090.00616.46
7.3.280.0070.00916.41
7.3.270.0100.00717.40
7.3.260.0080.00918.24
7.3.250.0100.00816.51
7.3.240.0100.01016.46
7.3.230.0060.00916.56
7.3.210.0150.00316.41
7.3.200.0110.00619.39
7.3.190.0090.01216.68
7.3.180.0130.00316.31
7.3.170.0110.00516.43
7.3.160.0060.00916.39
7.3.120.0090.00614.93
7.3.10.0110.00416.74
7.3.00.0090.00616.76
7.2.330.0100.01316.42
7.2.320.0070.01116.53
7.2.310.0130.00916.78
7.2.300.0110.00716.84
7.2.290.0130.00316.77
7.2.130.0110.00616.94
7.2.120.0090.00516.96
7.2.110.0060.00817.03
7.2.100.0070.00716.91
7.2.90.0050.01116.85
7.2.80.0080.00516.90
7.2.70.0030.01216.99
7.2.60.0030.01316.85
7.2.50.0050.00816.88
7.2.40.0050.00717.03
7.2.30.0080.00816.76
7.2.20.0040.00916.96
7.2.10.0040.00816.94
7.2.00.0060.00917.75
7.1.250.0100.00615.85
7.1.240.0070.00715.84
7.1.230.0080.00815.86
7.1.220.0040.01115.53
7.1.210.0100.00715.81
7.1.200.0030.01015.95
7.1.190.0070.00715.89
7.1.180.0040.01115.91
7.1.170.0070.01115.84
7.1.160.0000.01115.55
7.1.150.0000.01215.60
7.1.140.0100.00615.76
7.1.130.0000.00815.86
7.1.120.0090.00615.55
7.1.110.0070.00315.94
7.1.100.0060.00917.21
7.1.90.0100.00315.59
7.1.80.0090.00315.76
7.1.70.0110.00316.52
7.1.60.0080.01017.62
7.1.50.0020.01816.37
7.1.40.0070.00415.59
7.1.30.0030.01015.43
7.1.20.0000.01315.47
7.1.10.0080.00415.96
7.1.00.0090.01719.06
7.0.330.0100.00315.51
7.0.320.0060.00915.27
7.0.310.0090.00615.44
7.0.300.0070.00415.44
7.0.290.0040.01215.36
7.0.280.0070.00715.14
7.0.270.0070.00415.29
7.0.260.0090.00615.37
7.0.250.0130.00315.23
7.0.240.0030.01115.52
7.0.230.0130.00015.44
7.0.220.0130.00315.45
7.0.210.0060.00615.08
7.0.200.0190.00215.96
7.0.190.0030.00515.37
7.0.180.0090.00615.27
7.0.170.0040.00415.50
7.0.160.0040.01215.30
7.0.150.0090.00615.38
7.0.140.0050.03818.77
7.0.130.0140.00015.26
7.0.120.0070.03218.70
7.0.110.0110.03518.64
7.0.100.0060.03818.76
7.0.90.0020.04218.59
7.0.80.0040.03618.78
7.0.70.0060.03718.66
7.0.60.0030.03818.59
7.0.50.0080.03718.86
7.0.40.0030.04217.75
7.0.30.0050.03717.61
7.0.20.0130.03317.83
7.0.10.0050.02817.68
7.0.00.0020.02917.76
5.6.380.0030.00714.20
5.6.370.0030.01314.27
5.6.360.0000.01414.39
5.6.350.0000.01014.59
5.6.340.0040.00814.12
5.6.330.0030.00914.60
5.6.320.0030.01214.16
5.6.310.0000.01614.09
5.6.300.0140.00014.66
5.6.290.0030.01014.47
5.6.280.0080.03817.63
5.6.270.0100.00314.30
5.6.260.0120.03217.61
5.6.250.0050.03817.84
5.6.240.0000.04017.62
5.6.230.0060.03717.48
5.6.220.0050.03817.74
5.6.210.0080.03717.48
5.6.200.0050.03717.58
5.6.190.0050.04017.58
5.6.180.0040.03517.53
5.6.170.0040.04117.65
5.6.160.0100.03217.50
5.6.150.0070.03317.76
5.6.140.0090.03817.57
5.6.130.0030.02617.64
5.6.120.0020.04017.69
5.6.110.0040.03617.48
5.6.100.0100.01517.45
5.6.90.0030.02517.65
5.6.80.0100.01717.56
5.6.70.0080.01517.10
5.6.60.0020.02217.22
5.6.50.0040.01717.35
5.6.40.0050.02017.35
5.6.30.0030.01817.38
5.6.20.0050.01817.37
5.6.10.0060.01717.39
5.6.00.0080.01617.37
5.5.380.0020.03514.23
5.5.370.0070.03714.38
5.5.360.0020.03414.40
5.5.350.0040.03114.26
5.5.340.0000.03714.50
5.5.330.0000.04214.57
5.5.320.0090.03414.78
5.5.310.0070.03814.78
5.5.300.0040.03414.64
5.5.290.0050.03114.62
5.5.280.0030.02614.83
5.5.270.0030.02614.79
5.5.260.0040.02214.71
5.5.250.0050.01814.45
5.5.240.0000.02114.10
5.5.230.0000.02414.17
5.5.220.0030.01814.22
5.5.210.0040.01514.37
5.5.200.0030.02114.13
5.5.190.0060.01514.34
5.5.180.0040.01914.29
5.5.170.0070.00211.12
5.5.160.0020.02014.17
5.5.150.0060.01714.38
5.5.140.0030.01714.44
5.5.130.0000.02814.22
5.5.120.0000.02414.34
5.5.110.0050.03814.17
5.5.100.0050.02314.25
5.5.90.0060.01914.08
5.5.80.0050.02214.44
5.5.70.0040.02514.32
5.5.60.0070.02413.99
5.5.50.0040.03614.01
5.5.40.0020.04014.09
5.5.30.0030.03814.30
5.5.20.0000.02514.08
5.5.10.0060.03414.21
5.5.00.0050.03314.18
5.4.450.0030.04015.31
5.4.440.0020.02415.50
5.4.430.0040.03715.41
5.4.420.0050.02315.43
5.4.410.0050.02015.28
5.4.400.0000.02015.10
5.4.390.0080.01515.19
5.4.380.0030.01914.94
5.4.370.0040.01515.10
5.4.360.0070.01315.23
5.4.350.0030.01515.14
5.4.340.0040.01715.24
5.4.330.0060.00610.68
5.4.320.0060.01814.87
5.4.310.0040.02015.03
5.4.300.0080.01515.18
5.4.290.0000.01815.07
5.4.280.0030.02515.12
5.4.270.0050.02015.27
5.4.260.0050.02315.18
5.4.250.0060.02314.89
5.4.240.0050.02015.04
5.4.230.0060.03315.09
5.4.220.0030.03015.14
5.4.210.0030.02714.88
5.4.200.0000.02814.91
5.4.190.0050.03515.07
5.4.180.0040.03515.13
5.4.170.0030.03514.90
5.4.160.0030.03215.26
5.4.150.0020.03714.98
5.4.140.0050.02313.64
5.4.130.0020.03113.67
5.4.120.0020.03713.87
5.4.110.0050.02513.75
5.4.100.0020.03513.69
5.4.90.0040.03213.88
5.4.80.0050.03513.61
5.4.70.0030.03013.81
5.4.60.0030.02113.83
5.4.50.0020.03013.57
5.4.40.0040.03513.66
5.4.30.0040.03413.72
5.4.20.0050.03313.66
5.4.10.0020.03613.77
5.4.00.0020.02713.50
5.3.290.0030.01912.69
5.3.280.0020.03712.61
5.3.270.0030.03512.64
5.3.260.0070.02512.56
5.3.250.0030.03712.73
5.3.240.0030.02612.65
5.3.230.0020.03412.68
5.3.220.0030.02712.49
5.3.210.0030.01812.66
5.3.200.0030.03312.41
5.3.190.0030.03312.53
5.3.180.0050.03312.55
5.3.170.0030.03512.67
5.3.160.0030.02312.69
5.3.150.0020.03612.60
5.3.140.0070.03212.71
5.3.130.0030.03112.57
5.3.120.0030.03312.59
5.3.110.0010.03612.45
5.3.100.0000.03312.39
5.3.90.0080.03112.33
5.3.80.0050.02312.24
5.3.70.0000.02812.24
5.3.60.0000.03412.30
5.3.50.0030.03212.10
5.3.40.0010.03612.29
5.3.30.0040.02012.26
5.3.20.0030.02711.99
5.3.10.0050.02512.13
5.3.00.0040.01912.04
5.2.170.0030.02610.81
5.2.160.0000.02610.81
5.2.150.0000.03210.81
5.2.140.0020.02710.81
5.2.130.0020.02810.81
5.2.120.0030.02310.81
5.2.110.0020.01810.81
5.2.100.0050.02310.81
5.2.90.0050.02710.81
5.2.80.0030.01810.81
5.2.70.0010.01610.81
5.2.60.0010.01610.81
5.2.50.0030.01510.81
5.2.40.0000.01610.81
5.2.30.0020.02010.81
5.2.20.0020.01610.81
5.2.10.0030.01510.81
5.2.00.0010.02410.81
5.1.60.0020.02610.81
5.1.50.0010.02310.81
5.1.40.0050.02210.81
5.1.30.0030.01810.81
5.1.20.0020.01310.81
5.1.10.0010.01310.81
5.1.00.0020.01410.81
5.0.50.0020.01010.81
5.0.40.0000.01110.81
5.0.30.0050.01510.81
5.0.20.0010.02010.81
5.0.10.0000.02410.81
5.0.00.0030.02510.81
4.4.90.0000.01110.81
4.4.80.0020.00810.81
4.4.70.0020.01210.81
4.4.60.0000.00910.81
4.4.50.0020.01010.81
4.4.40.0030.02010.81
4.4.30.0040.01210.81
4.4.20.0020.00910.81
4.4.10.0030.00810.81
4.4.00.0010.01110.81
4.3.110.0000.01110.81
4.3.100.0020.01510.81
4.3.90.0020.01310.81
4.3.80.0000.02510.81
4.3.70.0030.01310.81
4.3.60.0030.01210.81
4.3.50.0010.01610.81
4.3.40.0000.02510.81
4.3.30.0020.01910.81
4.3.20.0020.01810.81
4.3.10.0030.01510.81
4.3.00.0010.01610.81

preferences:
40.69 ms | 400 KiB | 5 Q