3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = chr(4) . chr(53) . chr(124); var_dump(implode(array_map(function($c) { return str_pad(decbin(ord($c)), 8, '0', STR_PAD_LEFT); }, str_split($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)
8.3.60.0070.01118.31
8.3.50.0120.00816.41
8.3.40.0130.01018.52
8.3.30.0070.00718.72
8.3.20.0000.00818.55
8.3.10.0080.00020.34
8.3.00.0050.00317.50
8.2.180.0060.01216.50
8.2.170.0150.00022.96
8.2.160.0030.01022.17
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.89
8.2.110.0090.00020.82
8.2.100.0090.00417.78
8.2.90.0040.00419.21
8.2.80.0080.00018.04
8.2.70.0000.00917.49
8.2.60.0060.00317.93
8.2.50.0050.00318.07
8.2.40.0000.00818.03
8.2.30.0000.00717.95
8.2.20.0040.00417.71
8.2.10.0000.00717.61
8.2.00.0060.00317.61
8.1.280.0030.01425.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0090.00528.09
8.1.240.0030.00622.44
8.1.230.0110.00020.97
8.1.220.0040.00418.77
8.1.210.0040.00418.84
8.1.200.0040.00817.35
8.1.190.0000.00817.65
8.1.180.0050.00318.10
8.1.170.0030.00518.91
8.1.160.0040.00418.87
8.1.150.0000.00818.47
8.1.140.0000.00717.41
8.1.130.0000.00817.86
8.1.120.0040.00317.34
8.1.110.0040.00417.36
8.1.100.0040.00417.34
8.1.90.0000.00817.44
8.1.80.0070.00017.32
8.1.70.0000.00717.35
8.1.60.0000.00817.46
8.1.50.0050.00317.47
8.1.40.0040.00417.46
8.1.30.0080.00017.55
8.1.20.0050.00317.64
8.1.10.0040.00417.38
8.1.00.0000.00717.27
8.0.300.0030.00520.09
8.0.290.0070.00416.75
8.0.280.0000.00718.36
8.0.270.0070.00017.05
8.0.260.0000.00716.62
8.0.250.0070.00016.91
8.0.240.0060.00316.79
8.0.230.0030.00516.76
8.0.220.0040.00416.80
8.0.210.0030.00316.86
8.0.200.0000.00716.98
8.0.190.0030.00316.90
8.0.180.0040.00416.90
8.0.170.0030.00616.81
8.0.160.0000.00716.95
8.0.150.0070.00316.82
8.0.140.0080.00016.86
8.0.130.0050.00013.30
8.0.120.0040.00416.87
8.0.110.0040.00416.77
8.0.100.0030.00616.78
8.0.90.0000.00816.92
8.0.80.0080.00816.82
8.0.70.0070.00016.75
8.0.60.0000.00716.69
8.0.50.0000.00716.79
8.0.30.0090.00917.12
8.0.20.0130.00617.26
8.0.10.0040.00416.96
8.0.00.0090.00916.81
7.4.330.0000.00514.76
7.4.320.0030.00316.61
7.4.300.0000.00616.54
7.4.290.0030.00316.48
7.4.280.0030.00616.50
7.4.270.0030.00316.56
7.4.260.0030.00313.28
7.4.250.0030.00516.41
7.4.240.0070.00016.52
7.4.230.0050.00316.52
7.4.220.0090.01516.57
7.4.210.0050.01116.56
7.4.200.0000.00716.38
7.4.190.0000.00716.72
7.4.160.0060.00916.37
7.4.150.0080.00817.07
7.4.140.0090.01217.10
7.4.130.0090.01216.40
7.4.120.0070.01016.39
7.4.110.0140.00316.36
7.4.100.0060.01216.56
7.4.90.0150.00316.43
7.4.80.0170.00018.80
7.4.70.0070.01116.34
7.4.60.0070.01016.51
7.4.50.0030.00616.47
7.4.40.0070.01022.27
7.4.30.0090.00816.50
7.4.00.0080.00314.80
7.3.330.0030.00313.09
7.3.320.0060.00013.19
7.3.310.0040.00416.10
7.3.300.0030.00316.22
7.3.290.0070.00716.14
7.3.280.0080.01016.25
7.3.270.0150.00317.18
7.3.260.0120.00818.24
7.3.250.0110.00916.35
7.3.240.0100.01316.38
7.3.230.0100.00716.55
7.3.210.0130.00316.56
7.3.200.0090.00919.39
7.3.190.0080.00816.13
7.3.180.0040.01216.46
7.3.170.0030.01216.45
7.3.160.0030.01316.17
7.3.120.0000.01614.63
7.2.330.0070.01016.40
7.2.320.0070.01116.29
7.2.310.0070.01416.60
7.2.300.0030.02016.45
7.2.290.0120.00616.68
7.2.00.0090.00619.44
7.1.100.0080.00817.99
7.1.70.0070.00016.95
7.1.60.0120.01219.40
7.1.50.0070.01116.77
7.1.00.0000.07322.27
7.0.200.0000.00916.77
7.0.140.0000.07022.15
7.0.60.0070.07719.87
7.0.50.0100.06317.72
7.0.40.0100.04720.18
7.0.30.0230.05720.30
7.0.20.0130.04320.25
7.0.10.0200.05720.26
7.0.00.0130.07720.23
5.6.280.0100.06721.12
5.6.210.0130.05020.56
5.6.200.0100.07018.18
5.6.190.0070.04020.48
5.6.180.0500.07020.64
5.6.170.0270.05320.57
5.6.160.0070.08320.37
5.6.150.0030.08318.26
5.6.140.0070.08318.14
5.6.130.0100.08018.17
5.6.120.0100.05321.11
5.6.110.0070.05320.96
5.6.100.0070.05321.13
5.6.90.0070.05720.98
5.6.80.0130.03320.51
5.5.350.0370.07020.44
5.5.340.0030.08318.09
5.5.330.0100.07720.27
5.5.320.0070.04320.29
5.5.310.0270.07020.51
5.5.300.0130.07017.98
5.5.290.0030.07717.98
5.5.280.0170.05720.75
5.5.270.0070.08720.83
5.5.260.0070.04020.86
5.5.250.0070.04020.58
5.5.240.0100.07320.18
5.4.450.0070.07319.47
5.4.440.0070.07719.21
5.4.430.0170.06319.30
5.4.420.0100.03319.56
5.4.410.0030.06719.20
5.4.400.0130.07318.88
5.4.390.0130.05018.92
5.4.380.0100.06319.14
5.4.370.0030.04719.14
5.4.360.0170.06719.12
5.4.350.0100.05318.97
5.4.340.0170.06719.09
5.4.320.0170.03719.15
5.4.310.0130.03018.86
5.4.300.0000.07718.85
5.4.290.0030.08019.25
5.4.280.0030.05019.16
5.4.270.0070.07019.24
5.4.260.0070.07018.85
5.4.250.0100.07018.86
5.4.240.0030.07719.23
5.4.230.0070.04319.00
5.4.220.0130.05319.23
5.4.210.0030.07718.85
5.4.200.0030.07718.84
5.4.190.0070.04319.15
5.4.180.0070.04019.23
5.4.170.0030.04019.23
5.4.160.0200.06719.13
5.4.150.0100.05719.22
5.4.140.0030.03716.38
5.4.130.0070.03716.45
5.4.120.0100.06716.54
5.4.110.0070.08016.29
5.4.100.0030.08016.30
5.4.90.0130.02716.47
5.4.80.0100.06316.37
5.4.70.0070.07016.41
5.4.60.0170.03716.41
5.4.50.0070.03316.64
5.4.40.0070.03316.64
5.4.30.0100.06316.36
5.4.20.0170.06316.36
5.4.10.0100.06016.64
5.4.00.0100.05015.87
5.3.290.0100.03314.66
5.3.280.0100.03314.75
5.3.270.0100.07014.66
5.3.260.0100.07714.66
5.3.250.0030.06014.52
5.3.240.0100.03314.63
5.3.230.0070.06714.75
5.3.220.0100.07014.72
5.3.210.0100.05014.71
5.3.200.0100.03714.64
5.3.190.0100.06714.55
5.3.180.0070.06014.56
5.3.170.0000.04014.48
5.3.160.0070.07714.70
5.3.150.0030.04014.62
5.3.140.0000.04714.55
5.3.130.0030.07714.55
5.3.120.0000.08014.46
5.3.110.0100.07314.55
5.3.100.0000.05014.04
5.3.90.0030.08014.02
5.3.80.0030.05714.03
5.3.70.0030.03714.09
5.3.60.0070.06714.04
5.3.50.0030.08013.84
5.3.40.0100.07314.00
5.3.30.0030.05313.96
5.3.20.0030.06313.58
5.3.10.0100.06013.54
5.3.00.0070.04313.65
5.2.170.0030.06311.04
5.2.160.0100.04011.00
5.2.150.0030.05711.22
5.2.140.0070.06311.07
5.2.130.0130.05711.04
5.2.120.0000.03711.04
5.2.110.0030.06011.09
5.2.100.0070.04010.99
5.2.90.0070.04711.08
5.2.80.0000.06710.99
5.2.70.0030.05711.06
5.2.60.0030.05310.93
5.2.50.0000.03710.95
5.2.40.0070.05710.93
5.2.30.0070.05010.85
5.2.20.0030.05711.11
5.2.10.0000.05710.86
5.2.00.0000.03710.56
5.1.60.0070.03010.05
5.1.50.0100.0509.98
5.1.40.0000.0509.96
5.1.30.0030.03710.19
5.1.20.0030.05710.23
5.1.10.0100.05310.07
5.1.00.0030.05710.09
5.0.50.0100.0308.52
5.0.40.0070.0408.39
5.0.30.0070.0578.23
5.0.20.0030.0208.15
5.0.10.0030.0278.07
5.0.00.0070.0478.16
4.4.90.0000.0237.56
4.4.80.0030.0207.56
4.4.70.0030.0307.56
4.4.60.0000.0277.56
4.4.50.0030.0307.56
4.4.40.0000.0437.56
4.4.30.0030.0237.56
4.4.20.0030.0277.56
4.4.10.0000.0377.56
4.4.00.0030.0277.56
4.3.110.0000.0307.56
4.3.100.0000.0177.56
4.3.90.0000.0207.56
4.3.80.0000.0537.56
4.3.70.0000.0307.56
4.3.60.0000.0377.56
4.3.50.0000.0377.56
4.3.40.0070.0437.56
4.3.30.0100.0307.56
4.3.20.0030.0277.56
4.3.10.0000.0307.56
4.3.00.0000.0377.56

preferences:
49.21 ms | 401 KiB | 5 Q