3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = "the number of letters in mississippi = 12"; $i=0; $cp = $input; while( !(ctype_digit($cp[$i++]) ) ) ; echo $cp[--$i],$cp[$i+1],"\n";

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)
8.3.60.0150.00618.28
8.3.50.0130.01021.02
8.3.40.0110.00418.76
8.3.30.0100.00320.27
8.3.20.0050.00220.34
8.3.10.0040.00421.09
8.3.00.0040.00422.41
8.2.180.0140.00716.63
8.2.170.0110.00422.96
8.2.160.0110.00622.21
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.63
8.2.110.0030.00619.04
8.2.100.0060.00618.03
8.2.90.0060.00319.36
8.2.80.0000.00818.04
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00418.28
8.2.30.0040.00419.45
8.2.20.0040.00417.60
8.2.10.0050.00317.70
8.2.00.0040.00417.64
8.1.280.0000.01425.92
8.1.270.0050.00223.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0100.00023.82
8.1.230.0090.00321.04
8.1.220.0060.00318.77
8.1.210.0030.00620.91
8.1.200.0000.00817.35
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0040.00418.77
8.1.150.0000.00718.72
8.1.140.0000.00717.49
8.1.130.0040.00417.75
8.1.120.0110.00017.49
8.1.110.0000.00717.33
8.1.100.0070.00017.38
8.1.90.0040.00417.36
8.1.80.0030.00517.35
8.1.70.0030.00317.38
8.1.60.0040.00417.46
8.1.50.0040.00417.44
8.1.40.0000.00717.60
8.1.30.0040.00417.52
8.1.20.0000.00817.60
8.1.10.0040.00417.61
8.1.00.0000.00717.51
8.0.300.0040.00419.98
8.0.290.0000.00817.05
8.0.280.0020.00518.32
8.0.270.0070.00017.26
8.0.260.0000.00718.36
8.0.250.0030.00616.98
8.0.240.0040.00416.83
8.0.230.0000.00816.96
8.0.220.0000.00716.73
8.0.210.0070.00016.91
8.0.200.0000.00716.90
8.0.190.0080.00016.97
8.0.180.0040.00416.82
8.0.170.0000.00816.83
8.0.160.0000.00716.94
8.0.150.0000.00816.79
8.0.140.0000.00716.82
8.0.130.0040.00413.34
8.0.120.0030.00516.88
8.0.110.0000.00816.93
8.0.100.0040.00416.74
8.0.90.0040.00416.96
8.0.80.0040.00916.79
8.0.70.0000.00816.84
8.0.60.0040.00416.82
8.0.50.0070.00016.88
8.0.30.0120.00917.29
8.0.20.0060.01217.40
8.0.10.0040.00417.11
8.0.00.0150.00316.82
7.4.330.0000.00516.89
7.4.320.0000.00716.63
7.4.300.0030.00316.61
7.4.290.0070.00016.61
7.4.280.0040.00416.58
7.4.270.0030.00316.43
7.4.260.0060.00013.27
7.4.250.0000.00816.43
7.4.240.0040.00416.44
7.4.230.0040.00416.50
7.4.220.0120.00616.55
7.4.210.0110.00616.55
7.4.200.0000.00716.55
7.4.190.0040.00416.53
7.4.160.0070.01016.50
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0140.00616.48
7.4.120.0110.00816.47
7.4.110.0080.00816.52
7.4.100.0090.01016.37
7.4.90.0100.00716.48
7.4.80.0000.01719.39
7.4.70.0050.01616.49
7.4.60.0100.00716.55
7.4.50.0060.00316.35
7.4.40.0100.00722.77
7.4.30.0030.01316.14
7.4.00.0060.00914.81
7.3.330.0050.00013.17
7.3.320.0000.00613.13
7.3.310.0080.00016.36
7.3.300.0060.00016.33
7.3.290.0030.01016.36
7.3.280.0070.00916.36
7.3.270.0070.01117.40
7.3.260.0120.01018.24
7.3.250.0090.00816.28
7.3.240.0080.00916.42
7.3.230.0120.01216.52
7.3.210.0070.01116.40
7.3.200.0090.01419.39
7.3.190.0110.01016.51
7.3.180.0170.00016.43
7.3.170.0060.01216.50
7.3.160.0100.00716.38
7.3.120.0070.00715.00
7.2.330.0100.01116.57
7.2.320.0060.01616.58
7.2.310.0170.00716.69
7.2.300.0100.00716.50
7.2.290.0130.00316.54
7.2.110.0180.00316.65
7.2.100.0100.00716.71
7.2.90.0140.00316.42
7.2.80.0110.00716.69
7.2.70.0180.00216.97
7.2.60.0090.01216.83
7.2.50.0100.00716.96
7.2.40.0100.00716.98
7.2.30.0150.00416.92
7.2.20.0180.00016.91
7.2.10.0140.00317.14
7.2.00.0110.00716.95
7.1.230.0650.01015.77
7.1.220.0080.00815.90
7.1.210.0130.00615.84
7.1.200.0100.00715.93
7.1.190.0480.00015.80
7.1.180.0510.00615.83
7.1.170.0270.01315.89
7.1.160.0110.00615.89
7.1.150.0120.00915.75
7.1.140.0270.00415.64
7.1.130.0030.01215.90
7.1.120.0100.00515.89
7.1.110.0090.01015.88
7.1.100.0160.00015.73
7.1.90.0060.00915.66
7.1.80.0080.00415.89
7.1.70.0030.00816.52
7.1.60.0120.00917.53
7.1.50.0160.00516.15
7.1.40.0140.00516.00
7.1.30.0160.00415.74
7.1.20.0140.00615.85
7.1.10.0100.00615.59
7.1.00.0070.03718.88
7.0.310.0070.01015.36
7.0.300.0070.01014.97
7.0.290.0180.00715.34
7.0.280.0080.00415.54
7.0.270.0160.00015.55
7.0.260.0190.00015.39
7.0.250.0110.00815.50
7.0.240.0070.01415.41
7.0.230.0260.00315.55
7.0.220.0100.00515.16
7.0.210.0140.00415.59
7.0.200.0090.00415.97
7.0.190.0160.00215.46
7.0.180.0150.00215.57
7.0.170.0110.00415.37
7.0.160.0070.00715.35
7.0.150.0110.00815.50
7.0.140.0060.03718.58
7.0.130.0030.01315.59
7.0.120.0120.00215.26
7.0.110.0090.00515.16
7.0.100.0080.00315.36
7.0.90.0110.00415.29
7.0.80.0040.00815.36
7.0.70.0090.04118.52
7.0.60.0050.03118.53
7.0.50.0090.04318.76
7.0.40.0040.04816.86
7.0.30.0110.04416.96
7.0.20.0120.03716.79
7.0.10.0070.02916.76
7.0.00.0020.04816.66
5.6.380.0070.00814.44
5.6.370.0130.00414.16
5.6.360.0110.00414.25
5.6.350.0080.00414.37
5.6.340.0160.00414.47
5.6.330.0150.00014.13
5.6.320.0180.00014.49
5.6.310.0070.00714.48
5.6.300.0110.00614.54
5.6.290.0110.00414.36
5.6.280.0080.03817.68
5.6.270.0130.00314.34
5.6.260.0140.00014.63
5.6.250.0180.00014.63
5.6.240.0140.00214.43
5.6.230.0140.00814.35
5.6.220.0030.03317.42
5.6.210.0020.04617.40
5.6.200.0050.03717.63
5.6.190.0060.02817.78
5.6.180.0080.04517.74
5.6.170.0060.04117.79
5.6.160.0040.02817.74
5.6.150.0080.02417.50
5.6.140.0070.04417.84
5.6.130.0120.04217.82
5.6.120.0090.04217.75
5.6.110.0100.04317.65
5.6.100.0090.04417.66
5.6.90.0130.03317.66
5.6.80.0060.04217.44
5.6.70.0080.03317.38
5.6.60.0100.03717.45
5.6.50.0100.04117.45
5.6.40.0050.04617.43
5.6.30.0050.04517.33
5.6.20.0110.03817.57
5.6.10.0050.04517.48
5.6.00.0090.04117.32
5.5.380.0050.00512.79
5.5.370.0080.00412.79
5.5.360.0050.03316.59
5.5.350.0060.04216.60
5.5.340.0030.03516.77
5.5.330.0030.04716.85
5.5.320.0020.04916.81
5.5.310.0020.04716.80
5.5.300.0050.03916.79
5.5.290.0050.04516.85
5.5.280.0090.04316.85
5.5.270.0050.04216.85
5.5.260.0070.02116.83
5.5.250.0050.04616.73
5.5.240.0070.04216.50
5.5.230.0080.04016.49
5.5.220.0030.04216.53
5.5.210.0090.04016.50
5.5.200.0060.04716.53
5.5.190.0070.04316.48
5.5.180.0050.02916.51
5.5.170.0080.00814.04
5.5.160.0020.02616.51
5.5.150.0080.02816.46
5.5.140.0080.03016.48
5.5.130.0030.02516.38
5.5.120.0050.03816.43
5.5.110.0040.04116.45
5.5.100.0070.04016.43
5.5.90.0070.04016.39
5.5.80.0080.03816.43
5.5.70.0070.02216.47
5.5.60.0100.03316.46
5.5.50.0040.04516.44
5.5.40.0060.04216.44
5.5.30.0050.04216.42
5.5.20.0070.04216.46
5.5.10.0080.04016.43
5.5.00.0070.03816.37
5.4.450.0040.04415.96
5.4.440.0050.04416.01
5.4.430.0060.04216.12
5.4.420.0100.01816.07
5.4.410.0090.02815.88
5.4.400.0060.04115.95
5.4.390.0060.02815.93
5.4.380.0080.04015.94
5.4.370.0070.03615.96
5.4.360.0050.04016.02
5.4.350.0030.04015.96
5.4.340.0040.04515.80
5.4.330.0110.00312.79
5.4.320.0070.02915.91
5.4.310.0030.04015.95
5.4.300.0030.02215.95
5.4.290.0030.02715.93
5.4.280.0020.04415.85
5.4.270.0070.04015.94
5.4.260.0050.04215.79
5.4.250.0050.04115.86
5.4.240.0060.03915.86
5.4.230.0020.03815.88
5.4.220.0110.03515.94
5.4.210.0040.02615.84
5.4.200.0070.04015.96
5.4.190.0030.04215.91
5.4.180.0030.04315.90
5.4.170.0030.04015.91
5.4.160.0080.03715.80
5.4.150.0100.03315.87
5.4.140.0060.02314.40
5.4.130.0050.02714.55
5.4.120.0100.03514.40
5.4.110.0020.04014.52
5.4.100.0110.03214.55
5.4.90.0070.03114.58
5.4.80.0080.03514.50
5.4.70.0040.04214.56
5.4.60.0060.03814.58
5.4.50.0050.03714.54
5.4.40.0050.03014.52
5.4.30.0070.03714.53
5.4.20.0060.03814.54
5.4.10.0000.04414.48
5.4.00.0060.03914.28
5.3.290.0050.02713.63
5.3.280.0040.02813.70
5.3.270.0060.04213.66
5.3.260.0100.02413.69
5.3.250.0100.03713.69
5.3.240.0050.02713.63
5.3.230.0080.02513.68
5.3.220.0010.02813.61
5.3.210.0050.02313.67
5.3.200.0060.03013.66
5.3.190.0050.02013.65
5.3.180.0040.04013.67
5.3.170.0050.03913.68
5.3.160.0060.03013.58
5.3.150.0040.03613.65
5.3.140.0000.04313.60
5.3.130.0040.02713.58
5.3.120.0050.04213.62
5.3.110.0070.03713.60
5.3.100.0020.04313.40
5.3.90.0070.03313.40
5.3.80.0070.02713.37
5.3.70.0050.03813.33
5.3.60.0030.04013.37
5.3.50.0070.03213.37
5.3.40.0100.03713.35
5.3.30.0060.04013.34
5.3.20.0080.02513.19
5.3.10.0020.02513.17
5.3.00.0080.03313.21
5.2.170.0030.02711.89
5.2.160.0020.03711.96
5.2.150.0040.03512.00
5.2.140.0050.03511.94
5.2.130.0070.03111.85
5.2.120.0040.03111.96
5.2.110.0030.02111.94
5.2.100.0000.03011.84
5.2.90.0050.03011.94
5.2.80.0080.03211.93
5.2.70.0050.03111.87
5.2.60.0030.03311.88
5.2.50.0060.03511.86
5.2.40.0050.03011.85
5.2.30.0000.02411.77
5.2.20.0030.01811.86
5.2.10.0040.01711.83
5.2.00.0020.03211.76
5.1.60.0060.01811.54
5.1.50.0070.02211.54
5.1.40.0020.02611.54
5.1.30.0040.02511.57
5.1.20.0040.03111.58
5.1.10.0000.02711.54
5.1.00.0050.02711.54
5.0.50.0040.01611.54
5.0.40.0040.01611.54
5.0.30.0030.02911.54
5.0.20.0020.01211.54
5.0.10.0000.02111.54
5.0.00.0040.01811.54
4.4.90.0070.01511.54
4.4.80.0020.01911.54
4.4.70.0020.01711.54
4.4.60.0040.01511.54
4.4.50.0050.00811.54
4.4.40.0010.02511.54
4.4.30.0030.01811.54
4.4.20.0040.01511.54
4.4.10.0020.01711.54
4.4.00.0040.01511.54
4.3.110.0030.01811.54
4.3.100.0030.01011.54
4.3.90.0030.01011.54
4.3.80.0010.01611.54
4.3.70.0020.01211.54
4.3.60.0020.01811.54
4.3.50.0020.01111.54
4.3.40.0020.01511.54
4.3.30.0050.01211.54
4.3.20.0010.01111.54
4.3.10.0030.01711.54
4.3.00.0040.01711.54

preferences:
44.26 ms | 401 KiB | 5 Q