3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $prop; function __wakeup() { $this->prop = 'prop'; } } $x = 'a:3:{i:0;O:8:"stdClass":1:{i:0;a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:4:"prop";R:2;}i:2;R:3;}'; $y = unserialize($x); for($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($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)
8.3.60.0070.00716.36
8.3.50.0110.00821.27
8.3.40.0150.00018.94
8.3.30.0070.00718.70
8.3.20.0040.00420.37
8.3.10.0040.00421.85
8.3.00.0080.00019.90
8.2.180.0120.00616.38
8.2.170.0100.01322.96
8.2.160.0100.00320.32
8.2.150.0150.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00917.75
8.2.110.0050.00522.08
8.2.100.0040.00817.63
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0030.00718.03
8.2.50.0050.00318.07
8.2.40.0040.00419.34
8.2.30.0040.00420.63
8.2.20.0070.00017.75
8.2.10.0000.00718.18
8.2.00.0040.00418.03
8.1.280.0070.01525.92
8.1.270.0110.00422.09
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.53
8.1.230.0040.00817.48
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0000.00821.99
8.1.150.0040.00418.78
8.1.140.0040.00417.39
8.1.130.0030.00317.61
8.1.120.0070.00017.31
8.1.110.0070.00017.43
8.1.100.0050.00217.32
8.1.90.0040.00417.29
8.1.80.0030.00517.30
8.1.70.0080.00017.43
8.1.60.0040.00417.66
8.1.50.0030.00617.49
8.1.40.0060.00317.57
8.1.30.0000.00817.73
8.1.20.0030.00517.61
8.1.10.0000.00917.57
8.1.00.0070.00017.39
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0000.00718.37
8.0.270.0030.00317.21
8.0.260.0000.00817.20
8.0.250.0070.00017.07
8.0.240.0030.00617.07
8.0.230.0070.00017.00
8.0.220.0030.00316.88
8.0.210.0080.00016.98
8.0.200.0000.00717.00
8.0.190.0080.00017.02
8.0.180.0000.00716.88
8.0.170.0040.00416.90
8.0.160.0030.00516.98
8.0.150.0050.00216.87
8.0.140.0040.00416.90
8.0.130.0000.00713.45
8.0.120.0080.00016.89
8.0.110.0040.00416.90
8.0.100.0040.00416.74
8.0.90.0040.00416.79
8.0.80.0060.01016.88
8.0.70.0040.00416.75
8.0.60.0000.00716.85
8.0.50.0070.00016.89
8.0.30.0100.01017.08
8.0.20.0100.01417.40
8.0.10.0030.00517.03
8.0.00.0110.01216.79
7.4.330.0060.00015.08
7.4.320.0000.00716.35
7.4.300.0000.00616.52
7.4.290.0030.00316.62
7.4.280.0070.00316.56
7.4.270.0070.00016.52
7.4.260.0000.00716.49
7.4.250.0040.00416.65
7.4.240.0020.00516.57
7.4.230.0000.00816.41
7.4.220.0120.01216.54
7.4.210.0080.00816.65
7.4.200.0040.00416.70
7.4.160.0110.00516.48
7.4.150.0120.00617.40
7.4.140.0060.02017.86
7.4.130.0120.00616.53
7.4.120.0110.00716.42
7.4.110.0120.00616.56
7.4.100.0090.00916.44
7.4.90.0170.00016.67
7.4.80.0140.00719.39
7.4.70.0110.00616.42
7.4.60.0120.00316.66
7.4.50.0000.00616.54
7.4.40.0100.01016.47
7.4.30.0120.01216.63
7.4.00.0050.01115.01
7.3.330.0040.00313.24
7.3.320.0050.00013.20
7.3.310.0000.00816.46
7.3.300.0040.00416.27
7.3.290.0000.00716.43
7.3.280.0080.01016.38
7.3.270.0110.00617.40
7.3.260.0150.00616.41
7.3.250.0120.01016.49
7.3.240.0070.01116.43
7.3.230.0150.00316.45
7.3.210.0140.00416.61
7.3.200.0070.01616.43
7.3.190.0110.00516.32
7.3.180.0090.00916.48
7.3.170.0090.01216.52
7.3.160.0100.00916.50
7.3.120.0060.01314.85
7.3.110.0050.01015.01
7.3.100.0080.00914.90
7.3.90.0050.01014.90
7.3.80.0050.00714.86
7.3.70.0100.00414.85
7.3.60.0100.00515.03
7.3.50.0030.01214.74
7.3.40.0080.00614.68
7.3.30.0030.01115.01
7.3.20.0060.00816.81
7.3.10.0080.00716.72
7.3.00.0090.00316.69
7.2.330.0100.01016.69
7.2.320.0130.01316.68
7.2.310.0080.00816.57
7.2.300.0150.00916.55
7.2.290.0150.00416.73
7.2.250.0060.01115.02
7.2.240.0080.01115.19
7.2.230.0090.00814.97
7.2.220.0050.00714.96
7.2.210.0090.00914.94
7.2.200.0050.00815.04
7.2.190.0060.00815.13
7.2.180.0060.01115.11
7.2.170.0050.01014.97
7.2.60.0030.01016.83
7.2.00.0000.01419.54
7.1.330.0070.00815.65
7.1.320.0070.00515.96
7.1.310.0080.00415.88
7.1.300.0000.01315.72
7.1.290.0030.00915.95
7.1.280.0060.00615.84
7.1.270.0060.00915.84
7.1.260.0050.00915.84
7.1.200.0030.00916.05
7.1.100.0270.00717.84
7.1.70.0070.01017.12
7.1.60.0130.00919.27
7.1.50.0080.00316.85
7.1.00.0030.07722.28
7.0.200.0140.01016.50
7.0.60.0000.04719.91
7.0.50.0030.04017.89
7.0.40.0030.07720.23
7.0.30.0270.07720.24
7.0.20.0300.07720.24
7.0.10.0070.08720.30
7.0.00.0030.04020.16
5.6.280.0000.03321.07
5.6.210.0030.04020.51
5.6.200.0030.04318.19
5.6.190.0070.04320.47
5.6.180.2770.03720.39
5.6.170.0300.06720.62
5.6.160.0030.08020.51
5.6.150.0100.05018.18
5.6.140.0100.08018.21
5.6.130.0000.04318.11
5.6.120.0030.08721.00
5.6.110.0030.07321.09
5.6.100.0070.04321.00
5.6.90.0070.04321.02
5.6.80.0030.04020.39
5.6.70.4570.03720.50
5.5.350.0030.07720.38
5.5.340.0030.06318.01
5.5.330.0130.07720.29
5.5.320.0370.06720.31
5.5.310.0330.06720.23
5.5.300.0000.05317.97
5.5.290.0070.05317.95
5.5.280.0130.07720.89
5.5.270.0070.04720.76
5.5.260.0100.08320.61
5.5.250.0130.07720.61
5.5.240.0130.03720.07
5.4.450.0200.06319.44
5.4.440.0130.06319.17
5.4.430.0270.04319.46
5.4.420.0100.06319.45
5.4.410.0330.03719.43
5.4.400.0130.06019.15
5.4.390.0170.05719.29
5.4.380.0130.05719.11
5.4.370.0200.06719.15
5.4.360.0370.03719.18
5.4.350.0100.06019.28
5.4.340.0230.05319.11
5.4.320.0130.06019.04
5.4.310.0200.05319.13
5.4.300.0230.05318.97
5.4.290.0130.05719.13
5.4.280.0130.06019.18
5.4.270.0200.05318.81
5.4.260.0130.06318.84
5.4.250.0070.06319.11
5.4.240.0100.06319.01
5.4.230.0170.06019.11
5.4.220.0130.06319.28
5.4.210.0270.05019.29
5.4.200.0370.03719.21
5.4.190.0200.05719.28
5.4.180.0330.05019.25
5.4.170.0170.06718.96
5.4.160.0070.06318.93
5.4.150.0130.05719.12
5.4.140.0230.04316.50
5.4.130.0100.05716.52
5.4.120.0300.04316.30
5.4.110.0170.05316.59
5.4.100.0170.05016.52
5.4.90.0230.06016.25
5.4.80.0130.06016.59
5.4.70.0300.05716.58
5.4.60.0400.06316.53
5.4.50.0100.06016.51
5.4.40.0000.07716.51
5.4.30.0070.03016.16
5.4.20.0230.04016.37

preferences:
49.69 ms | 401 KiB | 5 Q