3v4l.org

run code in 300+ PHP versions simultaneously
<?php $binarydata = "\x04\x00\xa0\x00"; var_dump(unpack('H*result', $binarydata));

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)
8.3.40.0070.00718.42
8.3.30.0100.00319.14
8.3.20.0040.00420.25
8.3.10.0000.00823.39
8.3.00.0050.00317.34
8.2.170.0110.00422.96
8.2.160.0100.00320.35
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0000.00820.78
8.2.110.0060.00321.07
8.2.100.0060.00617.66
8.2.90.0040.00419.14
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0050.00518.18
8.2.30.0040.00417.95
8.2.20.0030.00617.50
8.2.10.0020.00518.03
8.2.00.0050.00217.59
8.1.270.0060.00323.84
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00322.14
8.1.230.0120.00017.70
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0040.00417.10
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0000.00818.55
8.1.160.0080.00021.93
8.1.150.0040.00418.68
8.1.140.0040.00417.38
8.1.130.0000.00717.82
8.1.120.0070.00017.40
8.1.110.0050.00317.38
8.1.100.0000.00717.32
8.1.90.0030.00317.43
8.1.80.0070.00017.43
8.1.70.0040.00417.27
8.1.60.0030.00617.47
8.1.50.0030.00617.36
8.1.40.0030.00517.48
8.1.30.0050.00317.60
8.1.20.0070.00017.65
8.1.10.0040.00417.49
8.1.00.0000.00717.22
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0000.00718.29
8.0.270.0030.00317.24
8.0.260.0060.00017.21
8.0.250.0030.00516.79
8.0.240.0000.00616.78
8.0.230.0050.00316.82
8.0.220.0000.00716.67
8.0.210.0000.00816.83
8.0.200.0030.00316.85
8.0.190.0050.00216.87
8.0.180.0080.00016.90
8.0.170.0040.00416.91
8.0.160.0030.00316.70
8.0.150.0030.00316.77
8.0.140.0070.00016.67
8.0.130.0000.00613.28
8.0.120.0000.00816.80
8.0.110.0070.00016.82
8.0.100.0070.00016.64
8.0.90.0070.00016.69
8.0.80.0060.01116.75
8.0.70.0040.00416.80
8.0.60.0000.00716.62
8.0.50.0000.00716.64
8.0.30.0070.01416.79
8.0.20.0100.01017.40
8.0.10.0050.00216.82
8.0.00.0120.00616.60
7.4.330.0060.00015.07
7.4.320.0000.00616.45
7.4.300.0000.00716.47
7.4.290.0060.00316.46
7.4.280.0040.00416.51
7.4.270.0080.00016.50
7.4.260.0070.00016.41
7.4.250.0070.00016.35
7.4.240.0020.00616.42
7.4.230.0000.00716.52
7.4.220.0090.01016.30
7.4.210.0130.00316.57
7.4.200.0000.00716.63
7.4.160.0080.00816.50
7.4.150.0110.00717.40
7.4.140.0090.01217.86
7.4.130.0080.00816.31
7.4.120.0100.00716.28
7.4.110.0060.01216.61
7.4.100.0130.00716.30
7.4.90.0140.00316.27
7.4.80.0080.01819.39
7.4.70.0030.01316.52
7.4.60.0080.00916.39
7.4.50.0080.00016.23
7.4.40.0070.01016.52
7.4.30.0130.00816.53
7.4.00.0090.00615.11
7.3.330.0060.00012.87
7.3.320.0060.00012.85
7.3.310.0040.00416.10
7.3.300.0000.00716.10
7.3.290.0080.00816.11
7.3.280.0130.00616.11
7.3.270.0090.00917.40
7.3.260.0080.00816.40
7.3.250.0090.00916.23
7.3.240.0130.00316.19
7.3.230.0030.01416.39
7.3.210.0080.00816.30
7.3.200.0100.01319.39
7.3.190.0090.00916.33
7.3.180.0110.00516.38
7.3.170.0080.00816.39
7.3.160.0130.00316.39
7.3.120.0030.01214.90
7.3.110.0080.00814.91
7.3.100.0040.01114.87
7.3.90.0000.01514.68
7.3.80.0000.01014.63
7.3.70.0050.00514.77
7.3.60.0070.00414.45
7.3.50.0070.01014.67
7.3.40.0070.00414.48
7.3.30.0050.00514.73
7.3.20.0040.01416.53
7.3.10.0110.00916.37
7.3.00.0140.00616.54
7.2.330.0140.01016.40
7.2.320.0110.00916.37
7.2.310.0100.00616.53
7.2.300.0120.00416.09
7.2.290.0040.01216.41
7.2.240.0040.01514.71
7.2.230.0060.00914.48
7.2.220.0070.01014.92
7.2.210.0070.01015.02
7.2.200.0100.00014.54
7.2.190.0100.00314.72
7.2.180.0090.00614.86
7.2.170.0070.00714.74
7.2.160.0080.00614.69
7.2.150.0100.00616.72
7.2.140.0100.00316.72
7.2.130.0130.00516.46
7.2.120.0080.00616.35
7.2.110.0080.01016.45
7.2.100.0060.00916.41
7.2.90.0060.01016.56
7.2.80.0100.00616.54
7.2.70.0060.00916.69
7.2.60.0080.00616.53
7.2.50.0080.00616.65
7.2.40.0080.01016.56
7.2.30.0110.01116.56
7.2.20.0120.00716.58
7.2.10.0090.01316.79
7.2.00.0070.00817.47
7.1.330.0030.01315.81
7.1.320.0060.01115.69
7.1.310.0110.00415.90
7.1.300.0000.01615.70
7.1.290.0090.00615.77
7.1.280.0060.00615.53
7.1.270.0040.01115.45
7.1.260.0070.00715.68
7.1.250.0120.00815.66
7.1.200.0060.00315.77
7.1.100.0040.00817.77
7.1.70.0000.01017.25
7.1.60.0100.01019.40
7.1.50.0120.01216.65
7.1.00.0070.07322.36
7.0.200.0070.00016.35
7.0.140.0100.06721.98
7.0.60.0370.05719.99
7.0.50.0130.07317.88
7.0.40.0100.07720.30
7.0.30.0130.05320.20
7.0.20.0230.08320.16
7.0.10.0030.08020.33
7.0.00.0000.04320.18
5.6.280.0000.07020.77
5.6.210.0130.08020.61
5.6.200.0100.06718.08
5.6.190.0100.08320.57
5.6.180.0430.07020.39
5.6.170.0300.05720.41
5.6.160.0070.06020.46
5.6.150.0170.03018.19
5.6.140.0030.08318.12
5.6.130.0100.05718.17
5.6.120.0030.07020.97
5.6.110.0070.05320.88
5.6.100.0170.08021.02
5.6.90.0070.03720.95
5.6.80.0070.08020.39
5.5.350.0370.06320.52
5.5.340.0100.06017.88
5.5.330.0000.05720.28
5.5.320.0300.03720.29
5.5.310.0170.04020.33
5.5.300.0100.04717.87
5.5.290.0070.03717.86
5.5.280.0130.05720.81
5.5.270.0030.06320.63
5.5.260.0030.05720.82
5.5.250.0100.07720.66
5.5.240.0070.07720.36
5.4.450.0370.06719.47
5.4.440.0400.07019.43
5.4.430.0470.06019.18
5.4.420.0400.06319.48
5.4.410.0270.04719.36
5.4.400.0300.07319.11
5.4.390.0330.06718.87
5.4.380.0270.05719.03
5.4.370.0300.06318.88
5.4.360.0370.05719.06
5.4.350.0270.07719.13
5.4.340.0270.03719.08
5.4.320.0330.05718.88
5.4.310.0330.07019.13
5.4.300.0300.06319.22
5.4.290.0300.04719.22
5.4.280.0400.06719.09
5.4.270.0300.07019.05
5.4.260.0500.04019.13
5.4.250.0300.03319.03
5.4.240.0330.05718.89
5.4.230.0400.03719.14
5.4.220.0300.04319.14
5.4.210.0400.06018.88
5.4.200.0200.05319.11
5.4.190.0370.04318.87
5.4.180.0300.07319.05
5.4.170.0330.06719.04
5.4.160.0300.04719.11
5.4.150.0200.04719.11
5.4.140.0200.05016.11
5.4.130.0230.03716.41
5.4.120.0170.04016.33
5.4.110.0370.06316.57
5.4.100.0300.07016.34
5.4.90.0230.03716.44
5.4.80.0300.06316.37
5.4.70.0330.03716.34
5.4.60.0300.06016.34
5.4.50.0370.05016.46
5.4.40.0230.05016.34
5.4.30.0270.03316.22
5.4.20.0200.04016.30
5.4.10.0230.03016.45
5.4.00.0170.03715.64
5.3.290.0300.07714.58
5.3.280.0330.06714.51
5.3.270.0470.03714.55
5.3.260.0330.07014.42
5.3.250.0330.05314.55
5.3.240.0370.05314.42
5.3.230.0270.03314.68
5.3.220.0370.03714.48
5.3.210.0330.07014.49
5.3.200.0300.07014.48
5.3.190.0230.07714.57
5.3.180.0330.07014.49
5.3.170.0300.07314.35
5.3.160.0270.04714.48
5.3.150.0400.06314.57
5.3.140.0330.05714.34
5.3.130.0200.04314.44
5.3.120.0230.04014.51
5.3.110.0270.03714.47
5.3.100.0270.04013.93
5.3.90.0230.02714.04
5.3.80.0130.04313.85
5.3.70.0170.03714.11
5.3.60.0200.03713.84
5.3.50.0200.03314.03
5.3.40.0200.05013.86
5.3.30.0200.07013.92
5.3.20.0230.07313.52
5.3.10.0130.04013.57
5.3.00.0330.02713.54
5.2.170.0130.03311.08
5.2.160.0170.04711.24
5.2.150.0170.03010.97
5.2.140.0270.05311.15
5.2.130.0170.03311.11
5.2.120.0170.02711.08
5.2.110.0100.03311.02
5.2.100.0130.04311.06
5.2.90.0130.03011.03
5.2.80.0170.03010.99
5.2.70.0130.03010.98
5.2.60.0130.03310.98
5.2.50.0130.03011.00
5.2.40.0130.02710.95
5.2.30.0130.02710.91
5.2.20.0070.03310.88
5.2.10.0130.02711.01
5.2.00.0100.03010.63
5.1.60.0100.02710.05
5.1.50.0100.02310.00
5.1.40.0100.0279.81
5.1.30.0030.03310.34
5.1.20.0200.02010.30
5.1.10.0130.03710.07
5.1.00.0170.02710.14
5.0.50.0070.0208.45
5.0.40.0030.0238.45
5.0.30.0100.0308.26
5.0.20.0070.0208.24
5.0.10.0130.0138.30
5.0.00.0070.0278.24
4.4.90.0070.0208.24
4.4.80.0130.0108.24
4.4.70.0070.0138.24
4.4.60.0100.0138.24
4.4.50.0070.0138.24
4.4.40.0030.0238.24
4.4.30.0000.0178.24
4.4.20.0030.0178.24
4.4.10.0070.0138.24
4.4.00.0100.0238.24
4.3.110.0030.0178.24
4.3.100.0070.0138.24
4.3.90.0070.0138.24
4.3.80.0200.0178.24
4.3.70.0100.0138.24
4.3.60.0030.0178.24
4.3.50.0100.0108.24
4.3.40.0070.0238.24
4.3.30.0030.0178.24
4.3.20.0030.0178.24
4.3.10.0000.0178.24
4.3.00.0000.0178.24

preferences:
38.43 ms | 400 KiB | 5 Q