3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = "\xff\xff"; $bigEndian = unpack("v", $num); var_dump($bigEndian);

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)
8.3.60.0140.00718.18
8.3.50.0090.00621.02
8.3.40.0110.00418.71
8.3.30.0030.01420.22
8.3.20.0030.00518.50
8.3.10.0000.00820.89
8.3.00.0000.00822.43
8.2.180.0150.00018.29
8.2.170.0170.00022.96
8.2.160.0130.00720.35
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0020.00521.12
8.2.110.0000.00919.21
8.2.100.0140.00017.59
8.2.90.0040.00419.09
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0040.00418.04
8.2.30.0000.00919.31
8.2.20.0000.00717.63
8.2.10.0020.00517.62
8.2.00.0050.00217.55
8.1.280.0120.00925.92
8.1.270.0000.00723.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0190.00322.47
8.1.230.0080.00420.89
8.1.220.0000.00918.77
8.1.210.0080.00020.80
8.1.200.0060.00317.10
8.1.190.0040.00417.18
8.1.180.0050.00318.10
8.1.170.0080.00018.64
8.1.160.0060.00318.81
8.1.150.0040.00818.52
8.1.140.0030.00517.28
8.1.130.0070.00017.73
8.1.120.0080.00017.29
8.1.110.0000.00717.26
8.1.100.0030.00317.43
8.1.90.0040.00417.40
8.1.80.0050.00217.37
8.1.70.0070.00017.23
8.1.60.0040.00417.36
8.1.50.0070.00017.44
8.1.40.0000.00817.34
8.1.30.0000.00717.54
8.1.20.0040.00417.62
8.1.10.0040.00417.48
8.1.00.0000.00817.26
8.0.300.0000.00819.77
8.0.290.0080.00017.18
8.0.280.0000.00718.25
8.0.270.0030.00317.18
8.0.260.0000.00616.74
8.0.250.0000.00716.73
8.0.240.0030.00616.88
8.0.230.0030.00316.85
8.0.220.0030.00316.71
8.0.210.0000.00716.89
8.0.200.0000.00616.90
8.0.190.0080.00016.87
8.0.180.0040.00416.84
8.0.170.0000.00816.85
8.0.160.0000.00716.85
8.0.150.0040.00416.77
8.0.140.0030.00516.71
8.0.130.0000.00613.23
8.0.120.0000.00816.80
8.0.110.0000.00716.70
8.0.100.0040.00416.68
8.0.90.0000.00716.73
8.0.80.0120.00916.81
8.0.70.0040.00416.66
8.0.60.0040.00416.88
8.0.50.0070.00016.88
8.0.30.0090.01216.98
8.0.20.0120.00717.40
8.0.10.0000.00816.80
8.0.00.0120.00516.63
7.4.330.0020.00216.79
7.4.320.0030.00316.52
7.4.300.0000.00616.55
7.4.290.0040.00416.42
7.4.280.0070.00016.48
7.4.270.0030.00316.38
7.4.260.0030.00213.07
7.4.250.0080.00016.50
7.4.240.0040.00416.53
7.4.230.0030.00316.52
7.4.220.0160.00916.51
7.4.210.0110.00516.49
7.4.200.0070.00016.43
7.4.190.0070.00016.69
7.4.160.0120.00316.38
7.4.150.0100.01417.40
7.4.140.0150.00717.86
7.4.130.0100.00816.40
7.4.120.0110.00616.47
7.4.110.0110.00716.43
7.4.100.0170.00016.39
7.4.90.0090.00916.33
7.4.80.0080.01219.39
7.4.70.0060.01516.50
7.4.60.0090.00616.27
7.4.50.0040.00416.31
7.4.40.0030.01422.77
7.4.30.0050.01116.41
7.4.00.0030.01214.67
7.3.330.0000.00513.04
7.3.320.0020.00212.93
7.3.310.0000.00716.20
7.3.300.0000.00816.11
7.3.290.0060.00916.19
7.3.280.0070.00816.21
7.3.270.0130.00417.40
7.3.260.0110.00718.24
7.3.250.0080.01316.37
7.3.240.0070.01016.25
7.3.230.0140.00316.39
7.3.210.0030.01316.13
7.3.200.0130.00719.39
7.3.190.0060.01116.13
7.3.180.0090.00616.39
7.3.170.0160.00016.43
7.3.160.0110.00616.15
7.3.120.0090.00814.48
7.3.110.0090.00914.94
7.3.100.0100.01014.52
7.3.90.0030.01314.41
7.3.80.0030.01714.98
7.3.70.0070.00714.52
7.3.60.0130.00314.71
7.3.50.0030.01314.60
7.3.40.0140.00014.53
7.3.30.0040.01114.84
7.3.20.0060.00616.36
7.3.10.0000.01416.48
7.3.00.0060.00616.51
7.2.330.0150.00316.30
7.2.320.0070.01316.34
7.2.310.0000.02116.52
7.2.300.0140.00416.64
7.2.290.0060.01016.61
7.2.250.0060.01314.84
7.2.240.0080.00414.60
7.2.230.0030.01315.14
7.2.220.0000.01314.96
7.2.210.0110.00414.92
7.2.200.0000.01415.03
7.2.190.0000.01614.71
7.2.180.0000.01714.90
7.2.170.0070.00714.95
7.2.160.0130.00314.57
7.2.150.0070.00716.98
7.2.140.0100.00616.55
7.2.130.0080.00816.87
7.2.120.0050.01016.60
7.2.110.0050.00916.64
7.2.100.0020.01116.51
7.2.90.0110.00316.65
7.2.80.0040.00916.71
7.2.70.0120.00316.70
7.2.60.0040.00916.88
7.2.50.0050.00816.94
7.2.40.0050.01116.88
7.2.30.0070.00816.87
7.2.20.0030.00916.81
7.2.10.0070.00716.65
7.2.00.0080.00616.85
7.1.330.0000.01415.45
7.1.320.0060.00915.70
7.1.310.0060.00315.61
7.1.300.0030.01015.77
7.1.290.0030.01015.57
7.1.280.0040.00715.83
7.1.270.0030.01315.54
7.1.260.0030.00715.41
7.1.250.0090.00315.80
7.1.240.0050.00515.61
7.1.230.0050.00715.74
7.1.220.0020.01215.76
7.1.210.0050.00815.70
7.1.200.0060.00415.70
7.1.190.0030.00815.62
7.1.180.0070.00415.66
7.1.170.0040.00915.63
7.1.160.0070.00815.75
7.1.150.0080.00715.84
7.1.140.0080.00415.68
7.1.130.0020.01315.50
7.1.120.0060.00715.76
7.1.110.0070.00715.59
7.1.100.0030.00915.63
7.1.90.0060.00615.76
7.1.80.0050.00915.70
7.1.70.0050.00716.14
7.1.60.0100.00716.92
7.1.50.0130.00515.99
7.1.40.0060.00415.76
7.1.30.0070.00715.74
7.1.20.0080.00315.65
7.1.10.0070.00615.82
7.1.00.0060.03017.97
7.0.330.0040.01115.35
7.0.320.0080.00515.22
7.0.310.0040.00915.23
7.0.300.0030.00915.10
7.0.290.0010.00815.19
7.0.280.0090.00315.25
7.0.270.0030.00915.08
7.0.260.0060.00715.29
7.0.250.0080.00715.44
7.0.240.0060.00815.38
7.0.230.0080.00515.39
7.0.220.0070.00315.16
7.0.210.0040.00915.38
7.0.200.0010.00915.82
7.0.190.0060.00615.17
7.0.180.0070.00715.16
7.0.170.0080.00515.31
7.0.160.0030.01015.33
7.0.150.0010.00915.13
7.0.140.0080.02617.54
7.0.130.0040.00715.36
7.0.120.0080.00715.42
7.0.110.0060.00515.38
7.0.100.0150.03116.97
7.0.90.0050.03016.83
7.0.80.0060.03216.75
7.0.70.0100.02516.98
7.0.60.0090.03016.86
7.0.50.0120.01917.07
7.0.40.0030.01915.63
7.0.30.0060.01815.59
7.0.20.0040.03515.63
7.0.10.0060.03315.67
7.0.00.0070.02215.65
5.6.400.0070.00714.38
5.6.390.0120.00614.20
5.6.380.0030.01214.36
5.6.370.0080.00514.24
5.6.360.0070.00314.28
5.6.350.0020.01014.20
5.6.340.0050.00914.08
5.6.330.0030.00913.85
5.6.320.0080.00514.22
5.6.310.0020.01014.27
5.6.300.0060.00813.97
5.6.290.0070.00714.30
5.6.280.0070.02516.54
5.6.270.0070.00714.22
5.6.260.0060.00814.10
5.6.250.0060.03216.40
5.6.240.0090.02716.17
5.6.230.0040.03316.30
5.6.220.0070.01816.23
5.6.210.0070.01616.40
5.6.200.0080.03316.51
5.6.190.0100.03116.43
5.6.180.0090.02916.58
5.6.170.0060.02216.42
5.6.160.0060.02816.48
5.6.150.0040.02316.46
5.6.140.0090.03016.47
5.6.130.0090.02216.36
5.6.120.0080.02716.35
5.6.110.0040.02216.35
5.6.100.0090.03116.54
5.6.90.0070.03316.48
5.6.80.0050.03016.24
5.6.70.0050.01916.39
5.6.60.0040.02116.09
5.6.50.0060.01816.16
5.6.40.0070.01616.26
5.6.30.0060.01916.26
5.6.20.0090.01516.31
5.6.10.0070.01716.28
5.6.00.0050.01616.27
5.5.380.0030.02415.20
5.5.370.0060.02915.14
5.5.360.0110.02515.09
5.5.350.0080.01415.24
5.5.340.0010.03815.26
5.5.330.0040.01915.36
5.5.320.0010.03515.23
5.5.310.0040.03415.31
5.5.300.0060.01815.41
5.5.290.0050.02815.33
5.5.280.0060.03015.32
5.5.270.0080.03215.22
5.5.260.0070.02615.45
5.5.250.0060.03115.21
5.5.240.0040.01615.12
5.5.230.0050.01815.18
5.5.220.0050.01715.15
5.5.210.0040.01815.11
5.5.200.0030.01815.16
5.5.190.0070.01615.03
5.5.180.0050.01615.16
5.5.170.0030.00814.00
5.5.160.0060.01715.07
5.5.150.0090.02815.15
5.5.140.0040.02315.10
5.5.130.0070.01615.02
5.5.120.0070.02515.04
5.5.110.0010.01915.16
5.5.100.0080.01515.15
5.5.90.0050.01715.08
5.5.80.0090.01315.10
5.5.70.0070.01615.07
5.5.60.0060.01915.05
5.5.50.0060.01815.00
5.5.40.0050.01714.94
5.5.30.0060.01415.07
5.5.20.0030.01615.11
5.5.10.0040.01715.12
5.5.00.0060.01515.06
5.4.450.0050.03213.81
5.4.440.0090.02713.73
5.4.430.0060.02213.79
5.4.420.0100.02813.76
5.4.410.0070.02913.76
5.4.400.0040.02813.69
5.4.390.0090.01613.54
5.4.380.0030.01913.61
5.4.370.0080.01513.68
5.4.360.0060.01613.60
5.4.350.0030.02113.69
5.4.340.0050.01813.65
5.4.330.0020.00711.02
5.4.320.0070.01613.72
5.4.310.0050.01913.68
5.4.300.0040.01613.62
5.4.290.0060.01613.73
5.4.280.0060.01413.64
5.4.270.0070.01413.70
5.4.260.0080.01513.63
5.4.250.0010.01913.60
5.4.240.0040.01713.65
5.4.230.0070.01313.72
5.4.220.0030.01613.63
5.4.210.0060.01613.60
5.4.200.0080.01313.76
5.4.190.0040.01713.64
5.4.180.0040.01713.70
5.4.170.0020.01713.59
5.4.160.0030.01713.65
5.4.150.0050.01713.67
5.4.140.0030.01812.77
5.4.130.0050.01612.69
5.4.120.0020.01612.74
5.4.110.0020.01712.71
5.4.100.0050.01612.75
5.4.90.0060.01512.78
5.4.80.0030.01512.85
5.4.70.0080.01212.68
5.4.60.0060.01512.76
5.4.50.0070.02712.74
5.4.40.0060.01412.79
5.4.30.0020.01712.69
5.4.20.0060.02612.74
5.4.10.0020.02812.71
5.4.00.0030.02912.59
5.3.290.0060.01512.16
5.3.280.0020.01712.08
5.3.270.0070.01312.08
5.3.260.0040.01412.12
5.3.250.0060.01212.08
5.3.240.0050.01612.08
5.3.230.0060.01512.09
5.3.220.0060.01412.10
5.3.210.0060.01312.12
5.3.200.0060.01312.11
5.3.190.0020.01812.09
5.3.180.0040.01412.11
5.3.170.0040.02912.07
5.3.160.0020.03112.10
5.3.150.0040.01512.12
5.3.140.0040.01712.05
5.3.130.0050.02612.11
5.3.120.0030.02312.10
5.3.110.0040.02912.12
5.3.100.0080.02111.93
5.3.90.0020.03011.92
5.3.80.0080.02611.92
5.3.70.0020.03111.86
5.3.60.0060.01211.88
5.3.50.0090.02511.90
5.3.40.0050.01711.90
5.3.30.0100.01111.85
5.3.20.0020.01811.82
5.3.10.0060.02311.79
5.3.00.0020.02811.73
5.2.170.0030.02711.73
5.2.160.0050.02211.73
5.2.150.0020.03011.73
5.2.140.0030.01611.73
5.2.130.0030.03211.73
5.2.120.0030.02311.73
5.2.110.0030.02211.73
5.2.100.0050.01211.73
5.2.90.0080.03011.73
5.2.80.0020.02211.73
5.2.70.0040.03611.73
5.2.60.0040.02811.73
5.2.50.0090.03011.73
5.2.40.0020.02811.73
5.2.30.0060.03211.73
5.2.20.0100.01711.73
5.2.10.0080.01511.73
5.2.00.0060.02711.73
5.1.60.0050.02611.73
5.1.50.0060.01111.73
5.1.40.0090.02411.73
5.1.30.0060.01511.73
5.1.20.0020.02811.73
5.1.10.0030.02311.73
5.1.00.0030.01811.73
5.0.50.0040.02311.73
5.0.40.0020.02111.73
5.0.30.0060.02211.73
5.0.20.0050.02011.73
5.0.10.0050.02311.73
5.0.00.0020.03211.73
4.4.90.0020.01311.73
4.4.80.0050.01811.73
4.4.70.0030.01511.73
4.4.60.0050.00711.73
4.4.50.0050.01811.73
4.4.40.0050.02011.73
4.4.30.0020.01711.73
4.4.20.0020.01711.73
4.4.10.0020.01311.73
4.4.00.0020.02511.73
4.3.110.0030.01811.73
4.3.100.0040.01511.73
4.3.90.0020.01211.73
4.3.80.0020.02311.73
4.3.70.0050.00811.73
4.3.60.0020.02011.73
4.3.50.0040.01711.73
4.3.40.0050.02511.73
4.3.30.0030.01511.73
4.3.20.0000.01311.73
4.3.10.0030.01311.73
4.3.00.0020.01811.73

preferences:
50.06 ms | 401 KiB | 5 Q