3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unpack('n2', pack('n2', 1234)));

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)
8.3.60.0110.01118.55
8.3.50.0120.01021.98
8.3.40.0080.00818.79
8.3.30.0110.00418.84
8.3.20.0040.00418.80
8.3.10.0040.00421.04
8.3.00.0080.00023.53
8.2.180.0110.00416.63
8.2.170.0100.00522.96
8.2.160.0030.01020.45
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00319.54
8.2.110.0070.00420.47
8.2.100.0040.00717.91
8.2.90.0030.00619.22
8.2.80.0070.00017.97
8.2.70.0000.00817.63
8.2.60.0070.00417.93
8.2.50.0000.00918.07
8.2.40.0040.00418.09
8.2.30.0070.00021.21
8.2.20.0080.00017.59
8.2.10.0040.00417.74
8.2.00.0040.00417.55
8.1.280.0190.00625.92
8.1.270.0060.00323.99
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.47
8.1.230.0110.00020.76
8.1.220.0040.00418.77
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.28
8.1.180.0000.00718.10
8.1.170.0000.00818.52
8.1.160.0040.00418.80
8.1.150.0030.00518.51
8.1.140.0040.00417.32
8.1.130.0030.00317.69
8.1.120.0030.00417.36
8.1.110.0060.00317.37
8.1.100.0030.00317.28
8.1.90.0000.00717.21
8.1.80.0030.00517.21
8.1.70.0000.00717.25
8.1.60.0000.00817.32
8.1.50.0050.00217.41
8.1.40.0000.00717.50
8.1.30.0040.00417.46
8.1.20.0000.00817.47
8.1.10.0050.00317.40
8.1.00.0050.00217.37
8.0.300.0040.00419.77
8.0.290.0040.00417.16
8.0.280.0040.00418.36
8.0.270.0040.00417.25
8.0.260.0030.00316.85
8.0.250.0040.00416.93
8.0.240.0050.00316.91
8.0.230.0030.00316.81
8.0.220.0090.00016.91
8.0.210.0070.00016.79
8.0.200.0000.00716.85
8.0.190.0060.00316.90
8.0.180.0000.00716.99
8.0.170.0000.00816.91
8.0.160.0000.00716.77
8.0.150.0040.00316.86
8.0.140.0030.00316.86
8.0.130.0080.00013.32
8.0.120.0070.00016.80
8.0.110.0040.00416.87
8.0.100.0030.00316.78
8.0.90.0070.00016.95
8.0.80.0100.01016.79
8.0.70.0000.00716.83
8.0.60.0020.00516.70
8.0.50.0070.00016.86
8.0.30.0080.01016.88
8.0.20.0030.01617.40
8.0.10.0050.00216.96
8.0.00.0100.01016.63
7.4.330.0000.00514.57
7.4.320.0040.00416.38
7.4.300.0000.00616.27
7.4.290.0030.00316.27
7.4.280.0070.00016.47
7.4.270.0020.00516.39
7.4.260.0060.00013.07
7.4.250.0060.00316.25
7.4.240.0000.00716.38
7.4.230.0000.00716.54
7.4.220.0090.00916.42
7.4.210.0090.01016.45
7.4.200.0030.00316.11
7.4.190.0070.00016.51
7.4.160.0030.01316.32
7.4.150.0130.00317.40
7.4.140.0110.00617.86
7.4.130.0110.00616.55
7.4.120.0100.00716.46
7.4.110.0120.00616.45
7.4.100.0000.01816.31
7.4.90.0070.01016.48
7.4.80.0080.00919.37
7.4.70.0120.00616.40
7.4.60.0060.01216.04
7.4.50.0060.00316.11
7.4.40.0140.00422.52
7.4.30.0120.00416.36
7.4.00.0080.00914.89
7.3.330.0000.00513.11
7.3.320.0050.00013.03
7.3.310.0050.00216.01
7.3.300.0030.00316.17
7.3.290.0120.00316.11
7.3.280.0090.00616.17
7.3.270.0070.02617.40
7.3.260.0130.00718.24
7.3.250.0130.00716.42
7.3.240.0030.01516.14
7.3.230.0100.00716.39
7.3.210.0000.01716.38
7.3.200.0070.01019.39
7.3.190.0040.01216.34
7.3.180.0070.01016.50
7.3.170.0110.00616.27
7.3.160.0030.01316.23
7.3.120.0030.01214.80
7.3.110.0000.01714.91
7.3.100.0070.00714.68
7.3.90.0040.00814.74
7.3.80.0030.01314.75
7.3.70.0050.00514.53
7.3.60.0090.00614.65
7.3.50.0080.00314.77
7.3.40.0000.01214.72
7.3.30.0080.00014.67
7.3.20.0110.00316.62
7.3.10.0060.00616.49
7.3.00.0070.00516.54
7.2.330.0040.01616.38
7.2.320.0110.01116.40
7.2.310.0100.01016.49
7.2.300.0160.00616.22
7.2.290.0110.01116.29
7.2.250.0060.00814.45
7.2.240.0060.01314.94
7.2.230.0090.00914.73
7.2.220.0090.00914.92
7.2.210.0070.00714.98
7.2.200.0130.00014.86
7.2.190.0080.00514.57
7.2.180.0060.00314.88
7.2.170.0000.00914.71
7.2.130.0050.00516.79
7.2.120.0040.00816.50
7.2.110.0030.00716.79
7.2.100.0000.01016.80
7.2.90.0030.00916.68
7.2.80.0000.01216.70
7.2.70.0060.00916.73
7.2.60.0040.01216.48
7.2.50.0070.00716.86
7.2.40.0080.00816.64
7.2.30.0050.00516.62
7.2.20.0040.01116.61
7.2.10.0030.01416.46
7.2.00.0080.00717.95
7.1.330.0040.01115.74
7.1.320.0080.00315.88
7.1.310.0150.00315.57
7.1.300.0030.00615.64
7.1.290.0030.00915.75
7.1.280.0070.00715.25
7.1.270.0030.00715.80
7.1.260.0060.00615.85
7.1.250.0080.00315.57
7.1.100.0070.00717.67
7.1.70.0030.01316.82
7.1.60.0070.01319.40
7.1.50.0090.01616.88
7.1.00.0030.07722.42
7.0.200.5850.00014.67
7.0.140.0030.07322.09
7.0.60.0070.04019.89
7.0.50.0070.03717.81
7.0.40.0100.04020.09
7.0.30.0270.05720.01
7.0.20.0100.04720.02
7.0.10.0170.07720.23
7.0.00.0070.08720.16
5.6.280.0030.07321.09
5.6.210.0070.06320.54
5.6.200.0030.05018.16
5.6.190.0070.06020.45
5.6.180.0200.04020.57
5.6.170.0200.04020.54
5.6.160.0030.09320.61
5.6.150.0100.08018.17
5.6.140.0070.03718.13
5.6.130.0100.06018.22
5.6.120.0070.08021.14
5.6.110.0230.06720.99
5.6.100.0130.07021.00
5.6.90.0070.08320.96
5.6.80.0070.06320.43
5.5.350.3570.04320.46
5.5.340.0030.04018.03
5.5.330.0070.08320.40
5.5.320.0300.04320.30
5.5.310.0270.08020.28
5.5.300.0030.04317.98
5.5.290.0070.08017.92
5.5.280.0100.07020.79
5.5.270.0100.05020.75
5.5.260.0070.04320.86
5.5.250.0070.03720.49
5.5.240.0030.07720.14
5.4.450.0070.08019.57
5.4.440.0000.07019.48
5.4.430.0000.08319.14
5.4.420.0070.07019.42
5.4.410.0030.07719.08
5.4.400.0000.07319.25
5.4.390.0030.05019.08
5.4.380.0100.07019.09
5.4.370.0100.05318.91
5.4.360.0000.07719.13
5.4.350.0000.06319.24
5.4.340.0030.07319.13
5.4.320.0030.06018.80
5.4.310.0030.05018.88
5.4.300.0070.05719.15
5.4.290.0030.05318.80
5.4.280.0030.07719.09
5.4.270.0100.05019.24
5.4.260.0030.06719.21
5.4.250.0070.05318.91
5.4.240.0070.05318.88
5.4.230.0100.03318.87
5.4.220.0030.06719.25
5.4.210.0000.07319.12
5.4.200.0100.06718.91
5.4.190.0000.07719.15
5.4.180.0130.06318.87
5.4.170.0100.07019.07
5.4.160.0030.07718.90
5.4.150.0170.05718.89
5.4.140.0030.05316.38
5.4.130.0000.05716.45
5.4.120.0000.07316.18
5.4.110.0030.07316.39
5.4.100.0070.06716.50
5.4.90.0030.07316.23
5.4.80.0070.07716.48
5.4.70.0030.07016.44
5.4.60.0000.06316.28
5.4.50.0100.07016.04
5.4.40.0130.06316.45
5.4.30.0000.07016.39
5.4.20.0030.06016.45
5.4.10.0000.07316.43
5.4.00.0000.07715.63
5.3.290.0030.05314.50
5.3.280.0100.06714.54
5.3.270.0030.07714.45
5.3.260.0100.05714.67
5.3.250.0030.07714.44
5.3.240.0030.07714.53
5.3.230.0070.06314.43
5.3.220.0030.07314.44
5.3.210.0070.07014.54
5.3.200.0030.08014.59
5.3.190.0070.07014.42
5.3.180.0030.06714.54
5.3.170.0100.06014.41
5.3.160.0030.07314.51
5.3.150.0030.05714.50
5.3.140.0000.08014.49
5.3.130.0100.06014.46
5.3.120.0070.06314.58
5.3.110.0070.07014.57
5.3.100.0100.07313.98
5.3.90.0100.07014.11
5.3.80.0000.08013.96
5.3.70.0000.06013.99
5.3.60.0030.07313.93
5.3.50.0030.06713.86
5.3.40.0100.06313.97
5.3.30.0030.06713.90
5.3.20.0030.05013.57
5.3.10.0070.04013.56
5.3.00.0070.05013.48
5.2.170.0000.05013.02
5.2.160.0030.06313.02
5.2.150.0030.06013.02
5.2.140.0030.05313.02
5.2.130.0100.05313.02
5.2.120.0030.05013.02
5.2.110.0000.04713.02
5.2.100.0100.05713.02
5.2.90.0070.05013.02
5.2.80.0000.04313.02
5.2.70.0000.06713.02
5.2.60.0030.05713.02
5.2.50.0030.04713.02
5.2.40.0030.04013.02
5.2.30.0030.04313.02
5.2.20.0030.06313.02
5.2.10.0030.04313.02
5.2.00.0000.06713.02
5.1.60.0030.05013.02
5.1.50.0070.04313.02
5.1.40.0070.05013.02
5.1.30.0070.03313.02
5.1.20.0000.06013.02
5.1.10.0000.06013.02
5.1.00.0030.04013.02
5.0.50.0000.04313.02
5.0.40.0000.04313.02
5.0.30.0070.04013.02
5.0.20.0030.03713.02
5.0.10.0030.04313.02
5.0.00.0070.06013.02
4.4.90.0030.03013.02
4.4.80.0000.03313.02
4.4.70.0030.03013.02
4.4.60.0070.03313.02
4.4.50.0000.03313.02
4.4.40.0000.05313.02
4.4.30.0000.02713.02
4.4.20.0000.03713.02
4.4.10.0070.03013.02
4.4.00.0000.05013.02
4.3.110.0000.02713.02
4.3.100.0000.02013.02
4.3.90.0070.02713.02
4.3.80.0000.05313.02
4.3.70.0030.02713.02
4.3.60.0070.03013.02
4.3.50.0000.03713.02
4.3.40.0100.04313.02
4.3.30.0030.03313.02
4.3.20.0000.03013.02
4.3.10.0000.02713.02
4.3.00.0030.03313.02

preferences:
45.93 ms | 401 KiB | 5 Q