3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hex = "\02bbb"; var_dump($hex);

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)
8.3.60.0070.01018.07
8.3.50.0050.01321.02
8.3.40.0140.00018.57
8.3.30.0070.00718.97
8.3.20.0070.00020.29
8.3.10.0050.00322.09
8.3.00.0050.00222.43
8.2.180.0070.01016.32
8.2.170.0140.00022.96
8.2.160.0000.01719.04
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00419.36
8.2.110.0000.01022.25
8.2.100.0040.00819.32
8.2.90.0070.00019.09
8.2.80.0000.00817.97
8.2.70.0060.00617.38
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0030.00619.52
8.2.30.0000.00717.86
8.2.20.0040.00417.64
8.2.10.0000.00817.63
8.2.00.0030.00517.53
8.1.280.0070.00725.92
8.1.270.0120.00622.02
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0000.01023.85
8.1.230.0040.00719.10
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0030.00617.43
8.1.180.0080.00018.61
8.1.170.0000.00818.47
8.1.160.0080.00022.00
8.1.150.0030.00518.52
8.1.140.0070.00017.37
8.1.130.0030.00517.80
8.1.120.0040.00417.46
8.1.110.0030.00617.38
8.1.100.0050.00317.28
8.1.90.0030.00317.40
8.1.80.0070.00017.38
8.1.70.0030.00317.36
8.1.60.0030.00517.48
8.1.50.0030.00517.44
8.1.40.0070.00017.33
8.1.30.0040.00417.45
8.1.20.0050.00317.55
8.1.10.0040.00417.48
8.1.00.0090.00017.37
8.0.300.0030.00318.77
8.0.290.0040.00417.02
8.0.280.0030.00318.23
8.0.270.0030.00517.09
8.0.260.0000.00816.79
8.0.250.0060.00016.78
8.0.240.0000.00716.89
8.0.230.0040.00416.86
8.0.220.0030.00316.83
8.0.210.0030.00316.84
8.0.200.0030.00316.85
8.0.190.0050.00316.74
8.0.180.0000.00716.72
8.0.170.0000.00916.83
8.0.160.0000.00816.91
8.0.150.0000.00716.80
8.0.140.0030.00616.81
8.0.130.0030.00313.22
8.0.120.0060.00316.78
8.0.110.0000.00716.78
8.0.100.0050.00316.80
8.0.90.0000.00716.69
8.0.80.0090.00916.87
8.0.70.0000.00716.68
8.0.60.0050.00216.81
8.0.50.0050.00216.85
8.0.30.0100.00817.02
8.0.20.0100.01217.40
8.0.10.0050.00216.79
8.0.00.0130.01016.76
7.4.330.0030.00315.00
7.4.320.0070.00016.50
7.4.300.0000.00616.51
7.4.290.0000.00716.40
7.4.280.0000.01016.56
7.4.270.0000.00716.55
7.4.260.0040.00416.50
7.4.250.0040.00416.34
7.4.240.0000.00716.47
7.4.230.0060.00016.63
7.4.220.0090.00616.42
7.4.210.0080.00816.41
7.4.200.0030.00316.57
7.4.190.0070.00016.61
7.4.160.0110.00616.13
7.4.150.0180.00617.40
7.4.140.0120.00517.86
7.4.130.0080.01116.41
7.4.120.0100.00816.42
7.4.110.0080.01216.36
7.4.100.0120.00616.32
7.4.90.0000.01716.38
7.4.80.0030.01719.39
7.4.70.0100.01316.15
7.4.60.0150.00416.31
7.4.50.0000.00816.17
7.4.40.0070.01022.77
7.4.30.0160.00416.52
7.4.00.0120.00314.50
7.3.330.0030.00312.98
7.3.320.0030.00313.04
7.3.310.0050.00216.22
7.3.300.0000.00616.16
7.3.290.0030.01316.07
7.3.280.0070.00916.08
7.3.270.0080.01317.40
7.3.260.0140.00416.43
7.3.250.0050.01216.39
7.3.240.0060.01016.48
7.3.230.0130.00616.39
7.3.210.0040.01316.02
7.3.200.0120.00619.39
7.3.190.0170.00016.16
7.3.180.0090.01016.39
7.3.170.0120.00616.27
7.3.160.0150.00416.18
7.3.120.0060.00614.82
7.2.330.0070.01016.55
7.2.320.0060.01116.45
7.2.310.0090.00816.39
7.2.300.0070.00816.56
7.2.290.0040.01216.52
7.2.60.0030.01316.75
7.2.00.0070.00719.36
7.1.200.0040.01115.68
7.1.100.0070.00718.04
7.1.70.0000.01417.04
7.1.60.0070.00316.95
7.1.50.0250.01234.51
7.1.00.0100.07022.36
7.0.200.0060.00316.34
7.0.140.0030.07322.09
7.0.60.0100.05719.84
7.0.50.0030.06317.82
7.0.40.0070.04020.16
7.0.30.0330.07320.17
7.0.20.0370.07720.13
7.0.10.0330.07020.33
7.0.00.0100.07319.99
5.6.280.0070.06721.11
5.6.210.0030.08020.50
5.6.200.0070.08318.18
5.6.190.0030.09320.35
5.6.180.3470.04320.48
5.6.170.0170.04720.33
5.6.160.0030.07320.37
5.6.150.0070.08018.17
5.6.140.0070.08018.15
5.6.130.0100.08318.21
5.6.120.0100.03720.97
5.6.110.0100.05020.99
5.6.100.0070.08021.10
5.6.90.0100.05021.02
5.6.80.0070.07720.52
5.6.70.0270.07320.49
5.5.350.0000.06320.45
5.5.340.0100.03018.03
5.5.330.0030.08720.21
5.5.320.0100.05020.34
5.5.310.0370.06720.21
5.5.300.0100.03318.05
5.5.290.0100.07717.98
5.5.280.0130.08020.89
5.5.270.0070.06720.88
5.5.260.0100.08720.96
5.5.250.0000.04720.61
5.5.240.0200.06320.25
5.4.450.0530.04319.58
5.4.440.0800.06319.38
5.4.430.0800.05319.21
5.4.420.0600.07319.58
5.4.410.0870.06019.00
5.4.400.0830.00018.68
5.4.390.0800.00018.50
5.4.380.0230.05718.63
5.4.370.0430.04018.52
5.4.360.0300.05318.78
5.4.350.0400.05318.57
5.4.340.0300.06018.68
5.4.320.0050.03712.45
5.4.310.0070.05112.45
5.4.300.0050.03812.45
5.4.290.0050.04212.45
5.4.280.0100.03512.35
5.4.270.0100.03212.34
5.4.260.0030.05018.75
5.4.250.0000.05718.86
5.4.240.0030.05718.90
5.4.230.0200.06318.68
5.4.220.0030.05718.70
5.4.210.0070.05318.85
5.4.200.0230.06018.75
5.4.190.0030.06018.71
5.4.180.0030.05718.75
5.4.170.0070.07018.99
5.4.160.0070.05318.86
5.4.150.0070.07718.98
5.4.140.0100.05016.27
5.4.130.0030.05016.23
5.4.120.0030.05016.29
5.4.110.0000.05716.48
5.4.100.0100.04716.33
5.4.90.0100.04716.32
5.4.80.0000.05716.41
5.4.70.0000.05716.49
5.4.60.0030.05316.16
5.4.50.0100.05016.34
5.4.40.0100.05016.43
5.4.30.0100.06716.48
5.4.20.0100.05016.29
5.4.10.0100.05316.29
5.4.00.0130.04015.68
5.3.290.0080.04212.80
5.3.280.0070.05314.43
5.3.270.0100.05314.45
5.3.260.0100.06714.61
5.3.250.0070.07014.46
5.3.240.0070.05314.62
5.3.230.0000.05314.60
5.3.220.0070.05014.57
5.3.210.0170.04314.42
5.3.200.0070.05014.57
5.3.190.0130.05314.61
5.3.180.0030.06314.25
5.3.170.0030.07714.71
5.3.160.0070.05014.58
5.3.150.0030.05314.25
5.3.140.0070.05014.56
5.3.130.0130.05014.54
5.3.120.0170.04714.38
5.3.110.0130.04714.55
5.3.100.0030.05313.91
5.3.90.0100.04714.03
5.3.80.0000.05313.93
5.3.70.0030.05713.85
5.3.60.0030.05013.94
5.3.50.0070.04713.98
5.3.40.0030.05314.09
5.3.30.0130.04713.77
5.3.20.0030.04713.68
5.3.10.0030.06313.41
5.3.00.0130.06013.68
5.2.170.0030.04311.16
5.2.160.0070.03711.05
5.2.150.0170.03311.14
5.2.140.0030.04011.15
5.2.130.0070.04011.11
5.2.120.0100.03711.11
5.2.110.0000.04711.11
5.2.100.0000.04711.20
5.2.90.0130.05311.01
5.2.80.0030.05011.08
5.2.70.0030.04711.11
5.2.60.0070.05011.02
5.2.50.0000.04711.02
5.2.40.0130.03010.82
5.2.30.0100.03310.88
5.2.20.0000.04310.87
5.2.10.0000.04010.93
5.2.00.0030.04010.47
5.1.60.0100.0279.76
5.1.50.0000.0379.84
5.1.40.0030.0339.74
5.1.30.0070.03310.24
5.1.20.0130.02710.42
5.1.10.0000.04010.12
5.1.00.0030.03710.00
5.0.50.0030.0408.63
5.0.40.0000.0308.55
5.0.30.0100.0438.14
5.0.20.0000.0338.27
5.0.10.0030.0278.19
5.0.00.0030.0408.12
4.4.90.0000.0237.20
4.4.80.0030.0307.20
4.4.70.0100.0137.20
4.4.60.0000.0237.20
4.4.50.0000.0237.20
4.4.40.0000.0337.20
4.4.30.0000.0237.20
4.4.20.0100.0137.20
4.4.10.0000.0237.20
4.4.00.0030.0337.20
4.3.110.0000.0337.20
4.3.100.0070.0137.20
4.3.90.0030.0207.20
4.3.80.0030.0337.20
4.3.70.0030.0207.20
4.3.60.0000.0237.20
4.3.50.0030.0237.20
4.3.40.0000.0337.20
4.3.30.0000.0237.20
4.3.20.0000.0307.20
4.3.10.0000.0237.20
4.3.00.0200.0336.97

preferences:
31.72 ms | 401 KiB | 5 Q