3v4l.org

run code in 300+ PHP versions simultaneously
<?php $tests = array('a', 'Z'); foreach ($tests as $packChar) { $packString = $packChar.'*'.$packChar.'*'.$packChar.'*'; $data = pack($packString, "foo", "bar", "baz"); echo "packed is: \n"; var_dump($data); $y = unpack('a3omg/a3lol/a3bbq' , $data ); echo "\nPHP 5.5 a\n"; var_dump($y); $y = unpack('Z3omg/Z3lol/Z3bbq' , $data ); echo "\nPHP 5.5 Z\n"; var_dump($y); }

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)
8.3.60.0150.00618.31
8.3.50.0120.00722.05
8.3.40.0070.00718.71
8.3.30.0120.00418.96
8.3.20.0050.00320.39
8.3.10.0050.00322.04
8.3.00.0070.00022.45
8.2.180.0120.00316.38
8.2.170.0070.00722.96
8.2.160.0070.00720.81
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.23
8.2.110.0000.01121.98
8.2.100.0120.00017.78
8.2.90.0060.00317.97
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.79
8.2.50.0000.00818.07
8.2.40.0000.00817.91
8.2.30.0050.00518.07
8.2.20.0000.00717.74
8.2.10.0040.00417.83
8.2.00.0070.00017.83
8.1.280.0070.01325.92
8.1.270.0040.00423.77
8.1.260.0040.00426.35
8.1.250.0090.00328.09
8.1.240.0030.00722.47
8.1.230.0080.00320.72
8.1.220.0040.00417.74
8.1.210.0000.00919.04
8.1.200.0030.00617.23
8.1.190.0000.00917.40
8.1.180.0000.00818.10
8.1.170.0050.00318.60
8.1.160.0040.00422.10
8.1.150.0000.00718.71
8.1.140.0040.00417.41
8.1.130.0000.00717.89
8.1.120.0050.00217.32
8.1.110.0000.00717.44
8.1.100.0070.00017.50
8.1.90.0030.00617.48
8.1.80.0000.00717.37
8.1.70.0030.00317.40
8.1.60.0030.00517.63
8.1.50.0040.00417.60
8.1.40.0070.00317.49
8.1.30.0040.00417.56
8.1.20.0040.00417.66
8.1.10.0000.00717.57
8.1.00.0000.00817.54
8.0.300.0000.00920.00
8.0.290.0040.00417.05
8.0.280.0030.00318.46
8.0.270.0070.00017.19
8.0.260.0040.00416.73
8.0.250.0030.00317.02
8.0.240.0000.00716.94
8.0.230.0040.00416.96
8.0.220.0000.00716.90
8.0.210.0080.00016.90
8.0.200.0030.00316.94
8.0.190.0070.00317.02
8.0.180.0000.00816.98
8.0.170.0000.00816.90
8.0.160.0040.00416.96
8.0.150.0050.00216.98
8.0.140.0040.00416.86
8.0.130.0000.00513.35
8.0.120.0070.00016.81
8.0.110.0040.00416.78
8.0.100.0040.00416.80
8.0.90.0070.00016.98
8.0.80.0070.01016.95
8.0.70.0040.00416.72
8.0.60.0000.00816.92
8.0.50.0000.00716.80
8.0.30.0150.00817.13
8.0.20.0090.01017.40
8.0.10.0050.00216.96
8.0.00.0130.00416.97
7.4.330.0020.00215.15
7.4.320.0060.00016.54
7.4.300.0000.00816.55
7.4.290.0040.00416.54
7.4.280.0030.00316.57
7.4.270.0040.00416.59
7.4.260.0040.00416.46
7.4.250.0040.00416.48
7.4.240.0030.00516.59
7.4.230.0000.00716.54
7.4.220.0100.00716.73
7.4.210.0070.01016.56
7.4.200.0040.00416.69
7.4.190.0070.00016.48
7.4.160.0040.01216.54
7.4.150.0110.00817.40
7.4.140.0070.01117.86
7.4.130.0080.01016.51
7.4.120.0080.01016.63
7.4.110.0070.01416.52
7.4.100.0060.01316.49
7.4.90.0170.00016.48
7.4.80.0060.01219.39
7.4.70.0060.01716.46
7.4.60.0060.01516.46
7.4.50.0060.00016.18
7.4.40.0140.00322.77
7.4.30.0030.01516.33
7.4.00.0030.00915.13
7.3.330.0050.00013.22
7.3.320.0050.00013.21
7.3.310.0040.00416.37
7.3.300.0000.00616.33
7.3.290.0160.00316.32
7.3.280.0090.00816.33
7.3.270.0070.01017.40
7.3.260.0040.01616.35
7.3.250.0130.00616.49
7.3.240.0070.01016.63
7.3.230.0100.01016.45
7.3.210.0090.00916.54
7.3.200.0090.01019.39
7.3.190.0100.01016.46
7.3.180.0070.01416.24
7.3.170.0120.00416.31
7.3.160.0130.00316.48
7.3.120.0030.01015.03
7.2.330.0160.00316.67
7.2.320.0140.01116.64
7.2.310.0140.00316.47
7.2.300.0100.00616.67
7.2.290.0120.00416.80
7.1.70.0040.00417.24
7.1.60.0070.01819.82
7.1.50.0100.01016.80
7.1.00.0000.08022.45
7.0.200.0080.00016.73
7.0.140.0100.06722.00
7.0.80.0070.04319.90
7.0.70.0470.08320.13
7.0.60.0830.08321.75
7.0.50.0100.03720.32
7.0.40.0030.08320.14
7.0.30.0070.07020.09
7.0.20.0100.07720.07
7.0.10.0130.08020.09
7.0.00.0030.04320.01
5.6.280.0070.07021.07
5.6.230.0070.05320.50
5.6.220.0100.08320.49
5.6.210.0100.06720.77
5.6.200.0130.03721.17
5.6.190.0100.07721.13
5.6.180.0170.03320.94
5.6.170.0070.04021.13
5.6.160.0070.08320.99
5.6.150.0100.04321.01
5.6.140.0100.07721.01
5.6.130.0100.05020.94
5.6.120.0070.05021.01
5.6.110.0130.05321.11
5.6.100.0170.07721.02
5.6.90.0070.08320.98
5.6.80.0030.07020.52
5.6.70.0070.07320.39
5.6.60.0170.07320.37
5.6.50.0070.08020.40
5.6.40.0100.07320.48
5.6.30.0070.06020.29
5.6.20.0100.07720.41
5.6.10.0030.08320.41
5.6.00.0170.06720.42
5.5.370.0070.08320.35
5.5.360.0070.06720.36
5.5.350.0030.08320.40
5.5.340.0000.09020.92
5.5.330.0070.05720.80
5.5.320.0030.04320.87
5.5.310.0170.07320.91
5.5.300.0100.08020.76
5.5.290.0030.04720.77
5.5.280.0070.04020.79
5.5.270.0100.07020.73
5.5.260.0100.05020.88
5.5.250.0070.07720.71
5.5.240.0000.05720.19
5.5.230.0070.06020.20
5.5.220.0170.05020.15
5.5.210.0100.08320.26
5.5.200.0030.08020.24
5.5.190.0070.05020.08
5.5.180.0100.08320.26
5.5.160.0230.07020.27
5.5.150.0070.08720.18
5.5.140.0130.07320.23
5.5.130.0070.05020.25
5.5.120.0130.07320.14
5.5.110.0170.05720.14
5.5.100.0170.07020.16
5.5.90.0070.07720.16
5.5.80.0030.04320.13
5.5.70.0030.08019.96
5.5.60.0030.08720.05
5.5.50.0170.05019.96
5.5.40.0000.08020.14
5.5.30.0170.06019.92
5.5.20.0070.07319.99
5.5.10.0070.07720.04
5.5.00.0100.07720.05
5.4.450.0030.07719.40
5.4.440.0200.07719.40
5.4.430.0130.08019.38
5.4.420.0030.08319.37
5.4.410.0230.06019.28
5.4.400.0170.05019.12
5.4.390.0070.08019.07
5.4.380.0070.05718.94
5.4.370.0000.05319.03
5.4.360.0000.07719.09
5.4.350.0070.08019.13
5.4.340.0070.08019.11
5.4.320.0070.04019.07
5.4.310.0130.06318.96
5.4.300.0070.07318.75
5.4.290.0170.05318.96
5.4.280.0100.07718.88
5.4.270.0070.04318.94
5.4.260.0100.07719.03
5.4.250.0030.08019.04
5.4.240.0170.06019.11
5.4.230.0100.07019.22
5.4.220.0030.05319.14
5.4.210.0170.05319.02
5.4.200.0100.04319.09
5.4.190.0170.06018.89
5.4.180.0100.05319.06
5.4.170.0100.04319.04
5.4.160.0030.07319.00
5.4.150.0000.08018.95
5.4.140.0070.03716.30
5.4.130.0100.04016.32
5.4.120.0100.06716.07
5.4.110.0070.05016.38
5.4.100.0030.07016.42
5.4.90.0070.04016.26
5.4.80.0130.05316.35
5.4.70.0030.05316.32
5.4.60.0030.05016.35
5.4.50.0030.05716.35
5.4.40.0200.06016.37
5.4.30.0030.06716.20
5.4.20.0070.07016.18
5.4.10.0070.06716.41
5.4.00.0030.04315.72
5.3.290.0070.04714.48
5.3.280.0000.08314.58
5.3.270.0070.07714.46
5.3.260.0130.07014.59
5.3.250.0070.07314.46
5.3.240.0000.08014.46
5.3.230.0130.06014.45
5.3.220.0030.07714.47
5.3.210.0130.06314.54
5.3.200.0030.04714.50
5.3.190.0170.06014.52
5.3.180.0100.07014.54
5.3.170.0100.06714.57
5.3.160.0030.07014.51
5.3.150.0100.05014.54
5.3.140.0070.07014.54
5.3.130.0030.08014.51
5.3.120.0070.06714.54
5.3.110.0170.06314.54
5.3.100.0000.05313.94
5.3.90.0100.06313.89
5.3.80.0030.06714.01
5.3.70.0100.06714.02
5.3.60.0100.07013.98
5.3.50.0030.06313.92
5.3.40.0030.06313.92
5.3.30.0170.04713.89
5.3.20.0100.06313.63
5.3.10.0070.04013.66
5.3.00.0030.03713.50
5.2.170.0070.04013.45
5.2.160.0030.03313.45
5.2.150.0070.04013.45
5.2.140.0100.06013.45
5.2.130.0000.06313.45
5.2.120.0030.05013.45
5.2.110.0030.05713.45
5.2.100.0030.04013.45
5.2.90.0070.05713.45
5.2.80.0030.05013.45
5.2.70.0070.05713.45
5.2.60.0030.06013.45
5.2.50.0030.06013.45
5.2.40.0070.05313.45
5.2.30.0030.03713.45
5.2.20.0030.06713.45
5.2.10.0030.04313.45
5.2.00.0030.05313.45
5.1.60.0130.04313.45
5.1.50.0030.04713.45
5.1.40.0100.02013.45
5.1.30.0030.05313.45
5.1.20.0070.05313.45
5.1.10.0100.04313.45
5.1.00.0030.05013.45
5.0.50.0030.04313.45
5.0.40.0030.02013.45
5.0.30.0030.06313.45
5.0.20.0030.03713.45
5.0.10.0000.05013.45
5.0.00.0030.05013.45
4.4.90.0030.03313.45
4.4.80.0030.03713.45
4.4.70.0000.03713.45
4.4.60.0030.02713.45
4.4.50.0030.03013.45
4.4.40.0000.05013.45
4.4.30.0070.01713.45
4.4.20.0000.02713.45
4.4.10.0030.03313.45
4.4.00.0030.04013.45
4.3.110.0030.03313.45
4.3.100.0000.02313.45
4.3.90.0130.02313.45
4.3.80.0000.03313.45
4.3.70.0030.03313.45
4.3.60.0000.02713.45
4.3.50.0000.03713.45
4.3.40.0000.05013.45
4.3.30.0000.03713.45
4.3.20.0000.03313.45
4.3.10.0000.01713.45
4.3.00.0030.03013.45

preferences:
36.93 ms | 401 KiB | 5 Q