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,$i,4),'0'); for($ii=0;$ii<strlen($shit);++$ii){ $ret.=chr($shit[$ii]); } } return $ret; } $str="the quick brown fox jumps over the lazy dog こどものじかん"; var_dump(encode($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)
8.3.60.0110.00416.60
8.3.50.0120.00816.61
8.3.40.0060.00918.67
8.3.30.0100.00718.67
8.3.20.0040.00418.57
8.3.10.0080.00020.53
8.3.00.0120.00319.05
8.2.180.0130.00716.38
8.2.170.0100.00722.96
8.2.160.0090.00621.12
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00319.23
8.2.110.0050.00520.95
8.2.100.0040.00817.78
8.2.90.0030.00619.38
8.2.80.0000.00719.18
8.2.70.0030.00617.50
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0000.01018.14
8.2.20.0040.00417.57
8.2.10.0040.00417.70
8.2.00.0040.00417.62
8.1.280.0120.00425.92
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.52
8.1.230.0070.00721.05
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0070.00317.35
8.1.190.0050.00317.40
8.1.180.0000.00818.10
8.1.170.0060.00318.74
8.1.160.0040.00418.85
8.1.150.0040.00418.56
8.1.140.0000.00717.43
8.1.130.0040.00417.72
8.1.120.0040.00417.47
8.1.110.0000.00717.43
8.1.100.0040.00317.41
8.1.90.0000.00717.26
8.1.80.0000.00717.29
8.1.70.0030.00317.28
8.1.60.0050.00317.63
8.1.50.0080.00017.54
8.1.40.0000.00917.39
8.1.30.0070.00017.71
8.1.20.0040.00417.56
8.1.10.0000.00917.46
8.1.00.0000.00717.48
8.0.300.0060.00319.90
8.0.290.0050.00216.63
8.0.280.0070.00018.46
8.0.270.0000.00716.79
8.0.260.0070.00018.41
8.0.250.0030.00516.90
8.0.240.0000.00716.94
8.0.230.0080.00016.89
8.0.220.0070.00016.77
8.0.210.0000.00716.84
8.0.200.0000.00616.93
8.0.190.0040.00416.96
8.0.180.0000.00716.89
8.0.170.0100.00016.82
8.0.160.0030.00416.88
8.0.150.0040.00416.93
8.0.140.0040.00816.80
8.0.130.0050.00013.31
8.0.120.0050.00216.85
8.0.110.0000.00716.89
8.0.100.0000.00716.95
8.0.90.0040.00416.89
8.0.80.0030.01316.81
8.0.70.0000.00716.68
8.0.60.0040.00416.75
8.0.50.0040.00416.86
8.0.30.0090.00917.10
8.0.20.0090.00917.00
8.0.10.0000.00816.88
8.0.00.0060.01216.69
7.4.330.0050.00012.97
7.4.320.0030.00316.45
7.4.300.0030.00616.61
7.4.290.0070.00016.48
7.4.280.0060.00316.66
7.4.270.0070.00016.52
7.4.260.0050.00013.29
7.4.250.0040.00416.55
7.4.240.0000.00816.61
7.4.230.0000.00716.44
7.4.220.0110.01516.62
7.4.210.0090.01116.63
7.4.200.0050.00216.70
7.4.190.0000.00716.62
7.4.160.0120.00316.36
7.4.150.0090.00916.51
7.4.140.0120.00516.52
7.4.130.0070.01016.63
7.4.120.0080.00916.40
7.4.110.0070.01016.42
7.4.100.0100.01316.48
7.4.90.0100.00716.62
7.4.80.0060.01016.55
7.4.70.0140.01216.61
7.4.60.0120.00616.50
7.4.50.0000.00516.55
7.4.40.0140.00016.38
7.4.30.0030.01316.77
7.4.00.0020.01414.87
7.3.330.0060.00013.32
7.3.320.0000.00513.22
7.3.310.0000.00716.42
7.3.300.0000.00716.40
7.3.290.0070.01016.46
7.3.280.0070.01216.39
7.3.270.0090.00916.60
7.3.260.0120.01216.65
7.3.250.0070.01116.51
7.3.240.0080.00816.46
7.3.230.0130.00316.32
7.3.210.0120.00916.33
7.3.200.0120.01219.39
7.3.190.0090.00816.49
7.3.180.0100.01016.54
7.3.170.0060.00916.48
7.3.160.0100.00716.40
7.3.120.0070.00515.02
7.3.110.0090.00914.75
7.3.100.0060.00615.03
7.3.90.0030.01414.68
7.3.80.0150.00014.94
7.3.70.0060.00315.04
7.3.60.0090.00614.54
7.3.50.0150.00014.56
7.3.40.0060.01014.78
7.3.30.0040.00414.75
7.3.20.0090.00316.85
7.3.10.0070.00616.64
7.3.00.0080.00616.54
7.2.330.0060.01216.79
7.2.320.0130.01016.64
7.2.310.0060.01616.59
7.2.300.0100.00616.65
7.2.290.0070.01316.70
7.2.250.0100.01015.00
7.2.240.0060.00914.91
7.2.230.0070.00415.14
7.2.220.0000.01314.89
7.2.210.0080.00815.19
7.2.200.0000.01415.05
7.2.190.0070.00715.01
7.2.180.0080.00614.75
7.2.170.0060.00615.07
7.2.130.0040.00716.77
7.2.120.0050.00916.75
7.2.110.0020.00816.73
7.2.100.0050.00716.65
7.2.90.0040.00816.57
7.2.80.0090.00616.67
7.2.70.0060.00716.89
7.2.60.0120.00416.74
7.2.50.0000.01216.73
7.2.40.0030.00816.93
7.2.30.0100.00416.82
7.2.20.0100.00816.69
7.2.10.0090.00616.65
7.2.00.0050.01217.62
7.1.330.0030.01515.91
7.1.320.0070.00715.74
7.1.310.0030.01015.92
7.1.300.0100.00315.84
7.1.290.0030.01015.51
7.1.280.0100.00615.91
7.1.270.0060.00915.60
7.1.260.0070.00415.78
7.1.250.0050.00815.66
7.1.240.0060.00815.93
7.1.230.0060.00615.35
7.1.220.0000.00715.46
7.1.210.0000.01415.86
7.1.200.0120.00615.67
7.1.190.0090.00615.77
7.1.180.0000.01415.80
7.1.170.0030.00615.70
7.1.160.0000.01015.85
7.1.150.0030.00715.81
7.1.140.0060.00615.77
7.1.130.0070.00715.64
7.1.120.0080.00415.74
7.1.110.0100.00715.93
7.1.100.0050.00616.96
7.1.90.0070.00715.83
7.1.80.0060.00915.68
7.1.70.0050.00516.60
7.1.60.0070.01017.56
7.1.50.0050.01316.48
7.1.40.0030.00815.91
7.1.30.0070.00415.88
7.1.20.0090.00415.80
7.1.10.0100.00015.70
7.1.00.0080.03819.19
7.0.330.0090.00615.49
7.0.320.0040.00415.21
7.0.310.0040.00415.16
7.0.300.0110.00015.27
7.0.290.0110.00015.18
7.0.280.0130.00015.13
7.0.270.0030.00515.36
7.0.260.0040.00415.29
7.0.250.0050.00315.08
7.0.240.0040.00515.50
7.0.230.0000.01415.39
7.0.220.0000.00915.22
7.0.210.0040.01115.43
7.0.200.0040.00515.90
7.0.190.0120.00314.90
7.0.180.0030.00715.57
7.0.170.0060.00315.32
7.0.160.0070.00315.16
7.0.150.0100.00315.34
7.0.140.0040.04218.63
7.0.130.0040.00715.34
7.0.120.0050.04018.55
7.0.110.0060.00915.45
7.0.100.0070.00315.46
7.0.90.0040.00415.34
7.0.80.0060.00615.54
7.0.70.0000.00915.36
7.0.60.0060.03617.57
7.0.50.0050.04516.83
7.0.40.0060.04716.83
7.0.30.0120.03616.84
7.0.20.0150.03716.88
7.0.10.0120.02616.80
7.0.00.0050.03316.69
5.6.380.0040.00413.71
5.6.370.0040.00413.74
5.6.360.0090.00613.94
5.6.350.0090.00314.22
5.6.340.0100.00313.96
5.6.330.0100.00313.80
5.6.320.0030.01114.30
5.6.310.0060.00614.16
5.6.300.0040.00814.21
5.6.290.0030.01014.04
5.6.280.0020.04317.61
5.6.270.0090.00614.30
5.6.260.0040.00414.25
5.6.250.0030.00614.43
5.6.240.0100.00013.96
5.6.230.0050.00314.17
5.6.220.0000.01114.28
5.6.210.0070.03917.51
5.6.200.0050.02116.24
5.6.190.0060.02917.59
5.6.180.0110.03517.39
5.6.170.0230.02517.52
5.6.160.0050.02817.38
5.6.150.0120.04016.28
5.6.140.0080.03316.32
5.6.130.0030.04616.19
5.6.120.0100.02017.61
5.6.110.0050.04217.77
5.6.100.0090.04317.58
5.6.90.0090.04317.43
5.6.80.0090.04217.43
5.6.70.0120.02117.25
5.6.60.0060.00314.16
5.6.50.0000.01014.17
5.6.40.0000.01114.22
5.6.30.0000.00914.11
5.6.20.0100.00013.77
5.6.10.0080.00414.16
5.6.00.0070.00313.94
5.5.380.0040.00710.96
5.5.370.0040.00411.13
5.5.360.0050.00311.41
5.5.350.0100.03715.67
5.5.340.0030.02314.63
5.5.330.0010.02615.98
5.5.320.0050.04415.89
5.5.310.0150.04315.77
5.5.300.0060.02614.67
5.5.290.0100.02514.61
5.5.280.0050.04116.13
5.5.270.0080.03716.16
5.5.260.0090.04015.92
5.5.250.0030.04215.85
5.5.240.0020.03215.70
5.5.230.0030.00911.19
5.5.220.0000.01111.31
5.5.210.0070.00311.20
5.5.200.0000.00710.90
5.5.190.0000.01011.28
5.5.180.0060.00611.18
5.5.170.0030.00511.24
5.5.160.0000.00711.29
5.5.150.0090.00310.90
5.5.140.0060.00611.45
5.5.130.0000.00810.90
5.5.120.0040.00411.24
5.5.110.0070.00410.96
5.5.100.0070.00311.04
5.5.90.0080.00011.23
5.5.80.0040.00410.91
5.5.70.0030.00611.06
5.5.60.0070.00311.04
5.5.50.0000.00811.13
5.5.40.0030.00610.94
5.5.30.0030.00510.90
5.5.20.0050.00311.15
5.5.10.0070.00011.01
5.5.00.0030.00610.90
5.4.450.0020.02915.33
5.4.440.0050.02115.28
5.4.430.0100.02515.23
5.4.420.0080.03815.25
5.4.410.0120.03715.09
5.4.400.0100.03515.02
5.4.390.0070.04315.05
5.4.380.0100.02915.13
5.4.370.0070.01814.92
5.4.360.0090.03615.12
5.4.350.0030.02315.02
5.4.340.0060.01815.02
5.4.330.0030.00611.05
5.4.320.0060.02114.94
5.4.310.0000.02915.14
5.4.300.0030.02315.07
5.4.290.0030.02514.92
5.4.280.0060.01815.04
5.4.270.0040.02215.02
5.4.260.0020.02115.21
5.4.250.0070.01715.10
5.4.240.0030.02015.18
5.4.230.0040.02315.02
5.4.220.0050.02515.04
5.4.210.0020.02715.07
5.4.200.0060.02215.14
5.4.190.0010.02315.17
5.4.180.0000.02915.15
5.4.170.0070.02214.98
5.4.160.0050.02215.02
5.4.150.0040.02114.93
5.4.140.0060.01813.65
5.4.130.0000.02413.66
5.4.120.0040.02013.64
5.4.110.0040.01813.80
5.4.100.0000.04313.74
5.4.90.0060.03613.70
5.4.80.0090.01713.68
5.4.70.0050.02313.63
5.4.60.0040.02613.69
5.4.50.0050.03313.62
5.4.40.0030.04213.63
5.4.30.0090.03713.65
5.4.20.0040.03813.59
5.4.10.0070.02213.65
5.4.00.0030.04313.40
5.3.290.0030.02312.74
5.3.280.0050.01912.75
5.3.270.0050.02112.75
5.3.260.0030.02312.75
5.3.250.0050.02112.83
5.3.240.0050.02312.76
5.3.230.0050.02012.76
5.3.220.0050.02012.74
5.3.210.0030.02112.69
5.3.200.0020.02212.73
5.3.190.0070.03812.76
5.3.180.0050.03912.75
5.3.170.0050.03712.68
5.3.160.0050.03812.74
5.3.150.0050.04012.73
5.3.140.0020.02312.81
5.3.130.0050.03212.74
5.3.120.0080.02712.80
5.3.110.0100.03512.74
5.3.100.0050.03912.47
5.3.90.0020.02712.47
5.3.80.0090.03512.47
5.3.70.0050.03712.45
5.3.60.0050.03112.44
5.3.50.0070.02212.45
5.3.40.0020.03712.40
5.3.30.0090.03612.42
5.3.20.0030.02612.31
5.3.10.0020.03212.31
5.3.00.0040.03912.23
5.2.170.0070.01811.00
5.2.160.0040.01811.03
5.2.150.0100.02911.06
5.2.140.0030.02011.05
5.2.130.0080.03011.00
5.2.120.0050.03111.00
5.2.110.0010.02111.02
5.2.100.0020.03111.08
5.2.90.0070.02810.95
5.2.80.0050.02910.95
5.2.70.0030.03211.03
5.2.60.0030.03410.96
5.2.50.0020.03011.04
5.2.40.0050.03410.98
5.2.30.0100.02310.88
5.2.20.0030.03510.97
5.2.10.0050.03010.86
5.2.00.0050.03010.77
5.1.60.0030.01410.52
5.1.50.0030.03010.43
5.1.40.0040.02210.45
5.1.30.0050.03010.63
5.1.20.0000.03010.61
5.1.10.0070.02710.47
5.1.00.0060.02910.49
5.0.50.0020.0179.76
5.0.40.0040.0179.67
5.0.30.0030.0179.60
5.0.20.0020.0249.58
5.0.10.0060.0159.62
5.0.00.0030.0269.57
4.4.90.0000.0179.36
4.4.80.0020.0149.36
4.4.70.0030.0209.36
4.4.60.0020.0149.36
4.4.50.0020.0179.36
4.4.40.0070.0239.36
4.4.30.0050.0129.36
4.4.20.0020.0139.36
4.4.10.0000.0109.36
4.4.00.0020.0289.36
4.3.110.0030.0189.36
4.3.100.0020.0109.36
4.3.90.0030.0189.36
4.3.80.0050.0269.36
4.3.70.0000.0129.36
4.3.60.0020.0089.36
4.3.50.0010.0139.36
4.3.40.0010.0219.36
4.3.30.0030.0109.36
4.3.20.0000.0219.36
4.3.10.0020.0189.36
4.3.00.0020.0169.36

preferences:
45.91 ms | 401 KiB | 5 Q