3v4l.org

run code in 300+ PHP versions simultaneously
<?php $blah = array("foo" => "bar", "jus" => "bnu"); $x = serialize($blah); echo $x; $y = unserialize($x); foreach ($y as $key => $value) { echo $key . ' => ' . $value . '\n'; }

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)
8.3.60.0120.00618.43
8.3.50.0120.00721.09
8.3.40.0040.01118.79
8.3.30.0070.00718.53
8.3.20.0050.00318.78
8.3.10.0080.00019.42
8.3.00.0060.00318.98
8.2.180.0060.00918.18
8.2.170.0090.01222.96
8.2.160.0110.00319.04
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00221.04
8.2.120.0070.00026.35
8.2.110.0140.00721.06
8.2.100.0040.00818.04
8.2.90.0000.00819.21
8.2.80.0090.00017.97
8.2.70.0060.00317.75
8.2.60.0030.00717.80
8.2.50.0050.00318.10
8.2.40.0040.00720.38
8.2.30.0050.00320.57
8.2.20.0040.00417.68
8.2.10.0000.00718.11
8.2.00.0040.00418.21
8.1.280.0070.00725.92
8.1.270.0100.00323.98
8.1.260.0080.00028.09
8.1.250.0000.00928.09
8.1.240.0090.00022.21
8.1.230.0090.00317.51
8.1.220.0030.00717.77
8.1.210.0040.00418.77
8.1.200.0030.00617.11
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0000.00818.89
8.1.150.0040.00418.87
8.1.140.0040.00419.57
8.1.130.0000.00717.57
8.1.120.0050.00217.47
8.1.110.0070.00017.45
8.1.100.0000.00817.38
8.1.90.0040.00417.44
8.1.80.0070.00017.36
8.1.70.0040.00217.30
8.1.60.0040.00417.61
8.1.50.0000.00717.40
8.1.40.0000.01117.40
8.1.30.0040.00417.60
8.1.20.0040.00417.64
8.1.10.0040.00417.28
8.1.00.0020.00517.41
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0050.00318.44
8.0.270.0000.00817.13
8.0.260.0030.00317.24
8.0.250.0000.00616.91
8.0.240.0030.00516.93
8.0.230.0040.00417.02
8.0.220.0030.00317.01
8.0.210.0030.00316.85
8.0.200.0030.00317.00
8.0.190.0000.00716.93
8.0.180.0070.00016.91
8.0.170.0040.00416.97
8.0.160.0000.00716.84
8.0.150.0070.00016.98
8.0.140.0000.00716.80
8.0.130.0000.00613.42
8.0.120.0060.00316.93
8.0.110.0040.00416.84
8.0.100.0000.00716.91
8.0.90.0040.00416.84
8.0.80.0160.00616.93
8.0.70.0070.00016.83
8.0.60.0000.00716.76
8.0.50.0030.00316.92
8.0.30.0110.00517.03
8.0.20.0100.00917.40
8.0.10.0000.00816.85
8.0.00.0070.00916.76
7.4.330.0030.00315.08
7.4.320.0000.00616.65
7.4.300.0030.00316.63
7.4.290.0000.00716.51
7.4.280.0040.00416.38
7.4.270.0060.00016.62
7.4.260.0070.00016.48
7.4.250.0000.00716.61
7.4.240.0030.00316.51
7.4.230.0000.00716.40
7.4.220.0090.00716.71
7.4.210.0090.00616.61
7.4.200.0040.00416.38
7.4.160.0060.01016.35
7.4.150.0090.00917.40
7.4.140.0200.01817.86
7.4.130.0140.00616.48
7.4.120.0130.00416.49
7.4.110.0030.01316.47
7.4.100.0000.01716.52
7.4.90.0070.01016.52
7.4.80.0140.00319.39
7.4.70.0090.00916.35
7.4.60.0040.01216.50
7.4.50.0060.00616.31
7.4.40.0080.00816.37
7.4.30.0080.00816.57
7.4.00.0060.00915.06
7.3.330.0000.00513.12
7.3.320.0000.00513.14
7.3.310.0040.00416.28
7.3.300.0030.00316.20
7.3.290.0060.01216.28
7.3.280.0100.01116.24
7.3.270.0090.00917.40
7.3.260.0060.01216.20
7.3.250.0100.00916.42
7.3.240.0130.00716.27
7.3.230.0160.00716.39
7.3.210.0070.01016.51
7.3.200.0090.00616.26
7.3.190.0080.00816.31
7.3.180.0040.01116.31
7.3.170.0100.01016.58
7.3.160.0090.00616.25
7.3.120.0040.01014.59
7.3.110.0090.00914.89
7.3.100.0040.00815.12
7.3.90.0030.00915.15
7.3.80.0000.01215.00
7.3.70.0040.00414.70
7.3.60.0110.00014.50
7.3.50.0000.01414.41
7.3.40.0070.00714.83
7.3.30.0040.01114.82
7.3.20.0040.01116.57
7.3.10.0090.00616.54
7.3.00.0060.00816.62
7.2.330.0030.01516.78
7.2.320.0130.00316.72
7.2.310.0110.01016.87
7.2.300.0130.01016.67
7.2.290.0110.00616.57
7.2.250.0070.01115.27
7.2.240.0060.01315.31
7.2.230.0080.00414.91
7.2.220.0090.00615.31
7.2.210.0000.01314.99
7.2.200.0030.01014.91
7.2.190.0000.00914.90
7.2.180.0000.01115.17
7.2.170.0070.00714.95
7.2.130.0070.00716.94
7.2.120.0110.00416.98
7.2.110.0200.00316.80
7.2.100.0080.00816.89
7.2.90.0040.00716.67
7.2.80.0000.01516.82
7.2.70.0100.00716.93
7.2.60.0110.00017.06
7.2.50.0070.00717.00
7.2.40.0110.00317.01
7.2.30.0140.00417.00
7.2.20.0110.00417.04
7.2.10.0090.00316.90
7.2.00.0050.00918.31
7.1.330.0100.00315.77
7.1.320.0060.00615.78
7.1.310.0080.00815.96
7.1.300.0030.00515.90
7.1.290.0030.00915.76
7.1.280.0070.00315.77
7.1.270.0070.00415.79
7.1.260.0030.01015.99
7.1.250.0070.01015.47
7.1.100.0600.00415.64
7.1.70.0130.00317.23
7.1.60.0060.00920.41
7.1.00.0030.07722.44
7.0.200.0160.00316.89
7.0.60.0200.07321.84
7.0.50.0230.06020.37
7.0.40.0230.04720.34
7.0.30.0200.05720.23
7.0.20.0200.08020.35
7.0.10.0230.05020.31
7.0.00.0100.06320.41
5.6.280.0070.07021.12
5.6.210.0100.07720.54
5.6.200.0130.06318.15
5.6.190.0100.06021.06
5.6.180.0170.06021.11
5.6.170.0230.06721.13
5.6.160.0170.06021.19
5.6.150.0100.06321.11
5.6.140.0200.06721.08
5.6.130.0230.05321.01
5.6.120.0170.05721.07
5.6.110.0070.06321.09
5.6.100.0330.04321.14
5.6.90.0130.06021.02
5.6.80.0130.05320.43
5.6.70.0130.05320.46
5.6.60.0170.05020.51
5.6.50.0100.05720.52
5.6.40.0170.05320.46
5.6.30.0170.05020.49
5.6.20.0170.06020.46
5.6.10.0130.05720.48
5.6.00.0230.05020.47
5.5.350.4630.04020.41
5.5.340.0070.04717.95
5.5.330.0130.05320.93
5.5.320.0300.06720.88
5.5.310.0130.06720.79
5.5.300.0170.05720.88
5.5.290.0270.05020.84
5.5.280.0130.06020.85
5.5.270.0200.05320.93
5.5.260.0130.05720.87
5.5.250.0030.06720.64
5.5.240.0070.06020.17
5.5.230.0170.05720.26
5.5.220.0130.05320.25
5.5.210.0230.04320.26
5.5.200.0200.04720.21
5.5.190.0130.05720.23
5.5.180.0170.05320.23
5.5.160.0130.05320.28
5.5.150.0170.05320.33
5.5.140.0100.05720.27
5.5.130.0200.04720.23
5.5.120.0170.05320.03
5.5.110.0170.05320.18
5.5.100.0230.05320.16
5.5.90.0170.05020.06
5.5.80.0200.05020.11
5.5.70.0100.05720.08
5.5.60.0170.05019.89
5.5.50.0170.05020.02
5.5.40.0130.05720.13
5.5.30.0130.06320.13
5.5.20.0170.05320.15
5.5.10.0130.05720.07
5.5.00.0200.05020.09

preferences:
66.56 ms | 401 KiB | 5 Q