3v4l.org

run code in 300+ PHP versions simultaneously
<?php class uWU{ var $nxt=array(); function __wakeup(){ $this->nxt=array(); } } $x=unserialize('a:2:{i:0;c:3:"uWU":1:{s:3:"nxt";a:1:{i:0;s:1:"x";}}i:1;R:4;}'); $a=str_repeat('a',10); var_dump($x); ?>

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)
8.3.60.0100.01018.30
8.3.50.0190.00421.03
8.3.40.0120.00318.64
8.3.30.0130.00318.41
8.3.20.0120.00620.36
8.3.10.0080.00021.76
8.3.00.0080.00020.16
8.2.180.0070.01116.48
8.2.170.0150.00422.96
8.2.160.0070.00722.26
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00617.63
8.2.110.0060.00319.27
8.2.100.0000.01217.91
8.2.90.0030.00619.05
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0060.00317.92
8.2.50.0050.00318.07
8.2.40.0040.00419.52
8.2.30.0070.00320.54
8.2.20.0000.00717.68
8.2.10.0000.00718.02
8.2.00.0050.00217.99
8.1.280.0060.00925.92
8.1.270.0080.00023.91
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00924.02
8.1.230.0080.00517.42
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0050.00517.23
8.1.190.0050.00317.35
8.1.180.0000.00818.10
8.1.170.0030.00518.39
8.1.160.0040.00422.01
8.1.150.0050.00218.82
8.1.140.0040.00417.39
8.1.130.0000.00717.51
8.1.120.0030.00317.42
8.1.110.0030.00517.45
8.1.100.0000.00717.38
8.1.90.0070.00017.41
8.1.80.0050.00517.27
8.1.70.0070.00017.36
8.1.60.0080.00017.52
8.1.50.0000.00817.46
8.1.40.0080.00417.45
8.1.30.0030.00517.54
8.1.20.0000.00817.41
8.1.10.0060.00317.40
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.30
8.0.270.0000.00717.19
8.0.260.0060.00017.15
8.0.250.0040.00416.96
8.0.240.0000.00716.86
8.0.230.0030.00616.99
8.0.220.0030.00316.82
8.0.210.0000.00816.88
8.0.200.0030.00316.95
8.0.190.0000.00816.93
8.0.180.0050.00216.92
8.0.170.0040.00416.79
8.0.160.0030.00416.86
8.0.150.0030.00316.84
8.0.140.0070.00016.86
8.0.130.0000.00613.26
8.0.120.0020.00516.75
8.0.110.0000.00716.88
8.0.100.0040.00416.72
8.0.90.0000.00716.92
8.0.80.0060.00916.85
8.0.70.0000.00716.89
8.0.60.0000.00716.91
8.0.50.0040.00416.77
8.0.30.0120.01017.04
8.0.20.0100.00817.40
8.0.10.0040.00416.93
8.0.00.0080.01116.78
7.4.330.0050.00015.08
7.4.320.0030.00516.53
7.4.300.0030.00316.36
7.4.290.0030.00316.44
7.4.280.0040.00416.48
7.4.270.0030.00316.47
7.4.260.0030.00316.46
7.4.250.0030.00516.54
7.4.240.0020.00516.51
7.4.230.0050.00216.63
7.4.220.0110.01016.54
7.4.210.0090.00916.54
7.4.200.0000.00716.46
7.4.160.0050.01116.34
7.4.150.0030.01617.40
7.4.140.0140.00817.86
7.4.130.0050.01216.50
7.4.120.0090.00816.45
7.4.110.0070.01016.61
7.4.100.0160.00716.47
7.4.90.0070.01016.61
7.4.80.0110.00819.39
7.4.70.0110.00916.37
7.4.60.0060.01016.45
7.4.50.0040.00416.28
7.4.40.0110.00616.34
7.4.30.0120.00616.56
7.4.00.0080.01014.75
7.3.330.0060.00013.23
7.3.320.0000.00513.32
7.3.310.0030.00316.26
7.3.300.0070.00016.25
7.3.290.0100.00416.20
7.3.280.0080.01116.25
7.3.270.0030.01717.40
7.3.260.0080.01116.42
7.3.250.0100.00816.43
7.3.240.0110.00816.17
7.3.230.0060.01216.39
7.3.210.0090.00916.39
7.3.200.0120.00416.55
7.3.190.0080.00816.16
7.3.180.0100.00616.18
7.3.170.0140.00416.36
7.3.160.0080.00816.35
7.3.120.0080.00814.49
7.3.110.0070.01114.55
7.3.100.0000.01614.63
7.3.90.0050.00814.73
7.3.80.0000.00914.86
7.3.70.0030.00614.68
7.3.60.0070.00714.71
7.3.50.0070.00714.78
7.3.40.0040.01114.51
7.3.30.0000.01414.59
7.3.20.0120.00616.53
7.3.10.0060.00916.57
7.3.00.0000.01116.57
7.2.330.0030.01316.55
7.2.320.0080.00816.49
7.2.310.0080.00816.58
7.2.300.0030.01316.39
7.2.290.0130.00916.26
7.2.250.0000.01414.67
7.2.240.0070.01114.92
7.2.230.0070.01014.79
7.2.220.0030.01214.84
7.2.210.0060.00915.01
7.2.200.0040.00814.70
7.2.190.0040.01114.83
7.2.180.0030.00714.84
7.2.170.0000.01115.02
7.2.00.0030.01019.18
7.1.330.0090.00615.54
7.1.320.0030.01015.85
7.1.310.0110.00415.79
7.1.300.0070.00715.75
7.1.290.0080.00315.75
7.1.280.0070.00715.65
7.1.270.0000.01015.75
7.1.260.0000.01115.80
7.1.100.0130.00718.11
7.1.70.0030.00917.25
7.1.60.0140.00719.11
7.1.50.0070.01716.88
7.1.00.0030.07722.32
7.0.200.0030.00716.79
7.0.60.0070.08320.01
7.0.50.0070.08317.90
7.0.40.0070.04720.09
7.0.30.0330.07020.16
7.0.20.0100.04720.23
7.0.10.0030.04320.05
7.0.00.0070.08320.05
5.6.280.0000.03321.06
5.6.210.0030.04320.47
5.6.200.0070.04018.16
5.6.190.0070.04320.77
5.6.180.0430.07020.46
5.6.170.0370.07720.40
5.6.160.0000.09020.54
5.6.150.0030.06018.23
5.6.140.0100.07718.21
5.6.130.0070.05018.17
5.6.120.0070.05721.13
5.6.110.0070.07721.12
5.6.100.0130.04321.01
5.6.90.0100.07321.02
5.6.80.0100.07020.36
5.5.350.0000.08320.41
5.5.340.0130.07317.99
5.5.330.0070.05020.19
5.5.320.3330.03720.30
5.5.310.0270.04020.31
5.5.300.0100.07717.94
5.5.290.0100.07717.96
5.5.280.0170.07720.87
5.5.270.0000.04320.85
5.5.260.0030.07020.79
5.5.250.0100.07320.62
5.5.240.0070.07020.21
5.4.450.0370.07019.62
5.4.440.0530.06019.32
5.4.430.0500.05319.60
5.4.420.0400.04019.30
5.4.410.0400.07719.36
5.4.400.0430.06319.27
5.4.390.0400.06319.38
5.4.380.0370.05319.26
5.4.370.0370.06718.87
5.4.360.0400.06019.15
5.4.350.0200.06718.84
5.4.340.0370.05019.08
5.4.320.0230.05718.89
5.4.310.0330.04319.29
5.4.300.0270.05318.87
5.4.290.0500.05318.98
5.4.280.0400.05319.30
5.4.270.0330.05319.17
5.4.260.0300.06719.28
5.4.250.0400.05319.27
5.4.240.0270.05319.14
5.4.230.0330.05019.25
5.4.220.0270.05319.23
5.4.210.0400.04019.14
5.4.200.0300.05719.14
5.4.190.0300.06019.13
5.4.180.0400.04719.37
5.4.170.0400.05719.21
5.4.160.0470.06319.30
5.4.150.0300.06019.14
5.4.140.0400.05016.41
5.4.130.0400.05016.45
5.4.120.0330.05316.50
5.4.110.0530.06716.29
5.4.100.0200.05716.42
5.4.90.0400.06716.57
5.4.80.0430.05316.28
5.4.70.0300.06716.54
5.4.60.0100.06316.53
5.4.50.0000.04716.43
5.4.40.0170.03316.43
5.4.30.0370.05716.59
5.4.20.0370.05016.60

preferences:
48.94 ms | 401 KiB | 5 Q