3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = ""; echo chr(232); for ($t=0; $t<1000; $t++) $input .= chr($t); for ($t=0; $t<strlen($input); $t++) { echo "".ord(substr($input, $t, 1))." "; } echo "strlen = ".strlen($input)."\n"; echo("t = $t \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)
8.3.60.0100.00718.55
8.3.50.0110.00621.98
8.3.40.0100.00618.67
8.3.30.0090.01219.08
8.3.20.0080.00020.37
8.3.10.0060.00321.92
8.3.00.0000.00922.46
8.2.180.0150.00016.63
8.2.170.0030.01322.96
8.2.160.0070.01518.86
8.2.150.0000.00924.18
8.2.140.0070.00324.66
8.2.130.0140.00326.16
8.2.120.0100.00017.63
8.2.110.0070.00322.18
8.2.100.0070.01117.84
8.2.90.0000.00819.41
8.2.80.0050.00318.05
8.2.70.0000.00817.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0060.00318.28
8.2.30.0080.00018.15
8.2.20.0000.00817.65
8.2.10.0060.00319.45
8.2.00.0000.00817.72
8.1.280.0180.00425.92
8.1.270.0060.00322.14
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0060.00623.98
8.1.230.0030.00919.06
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.38
8.1.190.0070.00417.51
8.1.180.0000.00918.10
8.1.170.0030.00618.41
8.1.160.0030.00522.17
8.1.150.0040.00418.68
8.1.140.0060.00317.55
8.1.130.0030.00617.88
8.1.120.0070.00017.48
8.1.110.0000.00817.52
8.1.100.0070.00017.50
8.1.90.0030.00617.46
8.1.80.0050.00317.48
8.1.70.0040.00417.52
8.1.60.0030.00717.69
8.1.50.0080.00017.59
8.1.40.0060.00317.44
8.1.30.0000.00817.54
8.1.20.0060.00317.68
8.1.10.0000.00917.57
8.1.00.0000.00917.35
8.0.300.0000.00818.77
8.0.290.0040.00417.16
8.0.280.0040.00418.50
8.0.270.0030.00517.23
8.0.260.0000.00716.87
8.0.250.0070.00017.01
8.0.240.0000.00916.88
8.0.230.0070.00017.04
8.0.220.0080.00016.91
8.0.210.0050.00316.83
8.0.200.0030.00716.97
8.0.190.0120.00017.07
8.0.180.0040.00416.95
8.0.170.0030.00616.85
8.0.160.0060.00316.82
8.0.150.0020.00516.82
8.0.140.0000.00816.89
8.0.130.0000.00613.38
8.0.120.0030.00616.80
8.0.110.0040.00417.01
8.0.100.0030.00516.77
8.0.90.0000.00716.79
8.0.80.0080.01116.90
8.0.70.0050.00216.96
8.0.60.0050.00216.91
8.0.50.0050.00317.00
8.0.30.0140.01317.06
8.0.20.0170.01017.40
8.0.10.0060.00317.07
8.0.00.0150.01216.78
7.4.330.0060.00015.00
7.4.320.0000.00616.49
7.4.300.0020.00516.57
7.4.290.0080.00016.60
7.4.280.0090.00016.55
7.4.270.0040.00416.56
7.4.260.0000.00716.58
7.4.250.0040.00416.48
7.4.240.0060.00216.41
7.4.230.0000.00816.48
7.4.220.0160.00316.53
7.4.210.0100.00816.56
7.4.200.0000.00716.66
7.4.190.0000.00816.65
7.4.160.0030.01616.48
7.4.150.0200.00617.40
7.4.140.0140.01617.86
7.4.130.0200.01516.59
7.4.120.0240.00616.54
7.4.110.0190.00316.43
7.4.100.0130.01216.52
7.4.90.0090.01216.57
7.4.80.0160.01019.39
7.4.70.0120.01216.61
7.4.60.0150.00616.37
7.4.50.0000.00916.29
7.4.40.0070.01022.77
7.4.30.0160.00416.63
7.4.00.0070.01215.05
7.3.330.0060.00013.18
7.3.320.0000.00513.18
7.3.310.0000.00716.36
7.3.300.0040.00416.27
7.3.290.0180.00016.34
7.3.280.0070.01116.39
7.3.270.0160.01017.40
7.3.260.0210.00816.25
7.3.250.0130.01316.48
7.3.240.0160.01016.48
7.3.230.0140.00816.39
7.3.210.0080.01516.47
7.3.200.0170.01419.39
7.3.190.0140.01116.23
7.3.180.0060.01216.45
7.3.170.0070.01116.35
7.3.160.0090.01316.66
7.3.120.0160.00214.91
7.3.110.0100.00714.96
7.3.100.0140.00314.96
7.3.90.0060.01214.94
7.3.80.0090.00915.07
7.3.70.0030.01414.92
7.3.60.0080.00414.60
7.3.50.0110.00714.74
7.3.40.0110.00714.57
7.3.30.0060.00915.05
7.3.20.0060.00616.87
7.3.10.0140.00316.87
7.3.00.0070.00316.59
7.2.330.0120.00916.78
7.2.320.0220.00816.73
7.2.310.0180.01216.50
7.2.300.0070.01516.71
7.2.290.0130.00616.71
7.2.250.0080.01215.11
7.2.240.0090.01215.16
7.2.230.0090.00614.64
7.2.220.0030.01015.27
7.2.210.0030.00715.11
7.2.200.0000.01815.19
7.2.190.0030.01115.17
7.2.180.0040.01515.00
7.2.170.0030.01014.80
7.2.00.0130.00019.38
7.1.330.0070.01015.96
7.1.320.0070.00716.07
7.1.310.0030.01415.78
7.1.300.0030.00715.71
7.1.290.0040.01115.82
7.1.280.0160.00315.83
7.1.270.0110.00316.04
7.1.260.0040.01215.88
7.1.100.0000.01518.07
7.1.70.0030.01017.24
7.1.60.0080.00317.18
7.1.50.0130.01317.04
7.1.00.0030.07722.46
7.0.200.0110.00416.52
7.0.140.0070.06321.95
7.0.60.0070.08719.96
7.0.50.0070.06017.83
7.0.40.0000.09720.04
7.0.30.0400.04720.09
7.0.20.0270.04720.09
7.0.10.0030.05020.13
7.0.00.0100.08320.17
5.6.280.0130.08721.09
5.6.210.0100.08320.50
5.6.200.0130.07318.09
5.6.190.0070.04320.41
5.6.180.3970.05020.57
5.6.170.0400.06320.41
5.6.160.0200.07020.52
5.6.150.0030.04018.23
5.6.140.0100.07018.22
5.6.130.0130.07318.07
5.6.120.0070.04021.00
5.6.110.0130.07021.13
5.6.100.0100.03721.08
5.6.90.0000.05721.01
5.6.80.0130.06720.53
5.5.350.0170.05720.42
5.5.340.0030.07018.02
5.5.330.0030.05320.13
5.5.320.0330.06720.50
5.5.310.0230.05020.20
5.5.300.0100.04017.98
5.5.290.0100.04717.95
5.5.280.0030.05720.67
5.5.270.0000.05720.66
5.5.260.0100.08720.77
5.5.250.0070.08320.70
5.5.240.0130.05320.23
5.4.450.1200.04019.26
5.4.440.0200.04019.57
5.4.430.0400.04719.56
5.4.420.0300.04719.25
5.4.410.0930.05719.10
5.4.400.0930.04019.25
5.4.390.0070.04019.04
5.4.380.0330.07318.68
5.4.370.0370.07018.49
5.4.360.0300.05318.68
5.4.350.0330.05318.46
5.4.340.0400.05718.50
5.4.320.0050.03812.46
5.4.310.0110.04112.45
5.4.300.0110.03312.46
5.4.290.0070.04212.45
5.4.280.0090.04312.35
5.4.270.0100.06018.92
5.4.260.0070.06018.89
5.4.250.0170.05718.93
5.4.240.0100.07719.02
5.4.230.0070.05718.94
5.4.220.0170.05018.92
5.4.210.0130.05718.92
5.4.200.0100.07018.91
5.4.190.0070.05718.89
5.4.180.0170.04718.98
5.4.170.0000.08718.75
5.4.160.0130.07018.70
5.4.150.0230.04318.68
5.4.140.0100.05716.48
5.4.130.0130.07016.52
5.4.120.0070.05316.25
5.4.110.0200.05716.36
5.4.100.0170.05016.49
5.4.90.0170.04716.34
5.4.80.0100.05016.35
5.4.70.0100.07016.38
5.4.60.0200.04316.40
5.4.50.0170.05716.36
5.4.40.0100.04716.31
5.4.30.0070.05716.34
5.4.20.0030.05716.31
5.4.10.0070.05716.37
5.4.00.0130.06015.96
5.3.290.0090.04612.80
5.3.280.0100.05314.74
5.3.270.0070.06014.45
5.3.260.0100.06014.38
5.3.250.0130.05014.65
5.3.240.0170.06014.70
5.3.230.0070.07714.45
5.3.220.0100.05014.58
5.3.210.0030.06014.43
5.3.200.0030.06314.61
5.3.190.0130.04714.57
5.3.180.0030.06014.56
5.3.170.0030.05714.57
5.3.160.0070.05314.45
5.3.150.0130.04714.40
5.3.140.0100.04714.25
5.3.130.0100.06314.41
5.3.120.0100.06314.56
5.3.110.0070.05714.42
5.3.100.0070.05014.03
5.3.90.0100.07014.11
5.3.80.0100.04713.88
5.3.70.0100.05314.06
5.3.60.0030.05713.77
5.3.50.0170.06013.79
5.3.40.0200.04313.80
5.3.30.0030.07713.92
5.3.20.0030.07013.60
5.3.10.0200.06313.66
5.3.00.0070.07713.51
5.2.170.0100.04011.18
5.2.160.0000.04711.08
5.2.150.0030.04711.29
5.2.140.0070.04311.14
5.2.130.0030.06711.10
5.2.120.0070.03711.19
5.2.110.0130.03711.11
5.2.100.0030.04011.01
5.2.90.0170.03711.11
5.2.80.0030.04711.24
5.2.70.0200.04011.02
5.2.60.0130.03711.06
5.2.50.0100.06011.04
5.2.40.0070.04311.14
5.2.30.0170.03311.07
5.2.20.0030.04710.98
5.2.10.0170.04710.82
5.2.00.0100.04310.54
5.1.60.0070.03310.03
5.1.50.0000.0409.99
5.1.40.0070.0339.94
5.1.30.0000.04710.41
5.1.20.0170.04010.25
5.1.10.0100.03310.30
5.1.00.0100.05310.15
5.0.50.0070.0338.48
5.0.40.0100.0378.47
5.0.30.0070.0438.23
5.0.20.0000.0378.14
5.0.10.0270.0138.14
5.0.00.0070.0438.35
4.4.90.0030.0376.85
4.4.80.0070.0236.85
4.4.70.0070.0306.85
4.4.60.0100.0206.85
4.4.50.0000.0306.85
4.4.40.0030.0406.85
4.4.30.0030.0236.85
4.4.20.0070.0206.85
4.4.10.0030.0376.85
4.4.00.0170.0336.85
4.3.110.0070.0306.85
4.3.100.0070.0176.85
4.3.90.0100.0236.85
4.3.80.0070.0306.85
4.3.70.0130.0236.85
4.3.60.0000.0376.85
4.3.50.0000.0276.85
4.3.40.0070.0336.85
4.3.30.0030.0306.85
4.3.20.0030.0306.85
4.3.10.0000.0236.85
4.3.00.0130.01713.49

preferences:
45.37 ms | 401 KiB | 5 Q