3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = serialize(array('TCUKA')); var_dump($a); $a = serialize(array()); var_dump($a);

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)
8.3.60.0120.00318.30
8.3.50.0130.00521.97
8.3.40.0180.00418.54
8.3.30.0110.00418.80
8.3.20.0070.00020.16
8.3.10.0080.00023.65
8.3.00.0000.00818.99
8.2.180.0150.00618.29
8.2.170.0100.01022.96
8.2.160.0070.00722.31
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00720.93
8.2.110.0060.00322.25
8.2.100.0040.00819.51
8.2.90.0070.00018.96
8.2.80.0090.00017.97
8.2.70.0060.00317.50
8.2.60.0060.00317.77
8.2.50.0040.00418.07
8.2.40.0050.00318.03
8.2.30.0040.00417.92
8.2.20.0040.00417.57
8.2.10.0040.00418.03
8.2.00.0000.00717.56
8.1.280.0100.01025.92
8.1.270.0080.00018.87
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0040.00719.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.13
8.1.190.0030.00617.11
8.1.180.0040.00418.10
8.1.170.0060.00318.49
8.1.160.0070.00021.80
8.1.150.0000.00718.73
8.1.140.0060.00319.22
8.1.130.0000.00717.72
8.1.120.0040.00417.41
8.1.110.0080.00017.41
8.1.100.0030.00317.37
8.1.90.0080.00017.40
8.1.80.0070.00017.29
8.1.70.0000.00717.43
8.1.60.0040.00417.52
8.1.50.0080.00017.47
8.1.40.0000.00817.32
8.1.30.0000.00917.54
8.1.20.0030.00617.50
8.1.10.0000.00717.29
8.1.00.0040.00417.26
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00818.35
8.0.270.0070.00017.10
8.0.260.0020.00517.09
8.0.250.0050.00716.88
8.0.240.0040.00416.89
8.0.230.0000.00716.84
8.0.220.0080.00016.76
8.0.210.0000.00616.82
8.0.200.0000.00616.88
8.0.190.0090.00016.80
8.0.180.0030.00516.79
8.0.170.0000.00816.72
8.0.160.0050.00216.83
8.0.150.0000.00716.73
8.0.140.0000.00816.67
8.0.130.0040.00413.24
8.0.120.0060.00316.84
8.0.110.0000.00716.86
8.0.100.0070.00016.64
8.0.90.0040.00416.70
8.0.80.0070.01016.72
8.0.70.0040.00416.64
8.0.60.0070.00016.61
8.0.50.0040.00416.75
8.0.30.0100.01117.06
8.0.20.0130.00817.40
8.0.10.0000.00716.93
8.0.00.0100.00716.79
7.4.330.0000.00715.03
7.4.320.0030.00316.45
7.4.300.0000.00616.41
7.4.290.0040.00416.43
7.4.280.0040.00416.52
7.4.270.0040.00416.32
7.4.260.0070.00016.48
7.4.250.0000.00816.53
7.4.240.0040.00316.48
7.4.230.0030.00316.27
7.4.220.0130.00916.59
7.4.210.0100.01016.45
7.4.200.0050.00316.56
7.4.160.0130.00316.43
7.4.150.0090.01317.40
7.4.140.0090.00917.86
7.4.130.0090.00716.44
7.4.120.0100.00816.36
7.4.110.0150.00916.44
7.4.100.0100.00716.25
7.4.90.0110.00716.50
7.4.80.0120.00619.39
7.4.70.0070.01416.41
7.4.60.0130.00316.38
7.4.50.0040.00416.02
7.4.40.0030.01316.35
7.4.30.0100.01016.37
7.4.00.0090.00714.77
7.3.330.0080.00012.96
7.3.320.0000.00612.89
7.3.310.0030.00316.19
7.3.300.0060.00016.11
7.3.290.0080.00616.10
7.3.280.0110.00416.11
7.3.270.0150.00317.40
7.3.260.0140.00816.38
7.3.250.0130.00716.29
7.3.240.0000.01616.43
7.3.230.0070.01016.39
7.3.210.0100.00916.27
7.3.200.0070.01319.39
7.3.190.0080.00816.08
7.3.180.0100.01016.18
7.3.170.0120.00616.27
7.3.160.0140.00416.20
7.3.120.0060.00914.90
7.3.110.0060.01214.64
7.3.100.0000.01414.68
7.3.90.0030.00914.81
7.3.80.0080.00814.66
7.3.70.0090.00414.34
7.3.60.0100.00614.70
7.3.50.0040.00414.57
7.3.40.0030.00714.57
7.3.30.0070.00314.71
7.3.20.0030.01116.56
7.3.10.0070.00716.52
7.3.00.0060.00616.20
7.2.330.0030.01916.58
7.2.320.0000.01616.23
7.2.310.0050.01416.60
7.2.300.0060.01216.42
7.2.290.0110.01116.44
7.2.250.0030.01314.88
7.2.240.0070.01414.88
7.2.230.0040.01114.84
7.2.220.0030.00914.64
7.2.210.0040.00814.66
7.2.200.0060.01215.10
7.2.190.0070.01014.91
7.2.180.0000.01215.04
7.2.170.0060.00614.96
7.2.60.0060.01216.36
7.2.00.0060.00618.89
7.1.330.0070.00715.82
7.1.320.0030.01315.69
7.1.310.0070.00715.86
7.1.300.0000.01115.79
7.1.290.0080.00615.65
7.1.280.0080.00815.75
7.1.270.0100.00615.82
7.1.260.0070.00715.74
7.1.200.0160.00015.51
7.1.100.0000.01117.88
7.1.70.0040.00717.21
7.1.60.0090.01219.46
7.1.50.0160.00616.85
7.1.00.0030.07722.43
7.0.200.0030.00516.70
7.0.140.0030.03722.18
7.0.60.0230.07020.01
7.0.50.0070.08317.81
7.0.40.0100.07320.04
7.0.30.0470.08320.00
7.0.20.0270.08020.17
7.0.10.0130.08720.12
7.0.00.0100.07720.01
5.6.280.0000.07721.06
5.6.210.0070.08720.76
5.6.200.0000.04318.16
5.6.190.0130.07020.45
5.6.180.0200.04320.57
5.6.170.0030.05320.38
5.6.160.0070.08720.66
5.6.150.0100.07718.11
5.6.140.0170.07018.18
5.6.130.0100.03318.14
5.6.120.0030.04020.99
5.6.110.0100.08020.88
5.6.100.0100.03320.97
5.6.90.0030.05020.87
5.6.80.0000.07320.37
5.6.70.4470.04020.36
5.5.350.0200.06320.34
5.5.340.0070.03717.89
5.5.330.0030.07720.23
5.5.320.0200.05020.24
5.5.310.0300.06720.12
5.5.300.0100.07317.96
5.5.290.0130.07718.00
5.5.280.0100.08020.75
5.5.270.0100.08020.72
5.5.260.0000.09020.72
5.5.250.0130.04320.70
5.5.240.0330.06720.36
5.4.450.0400.06719.44
5.4.440.0170.05719.15
5.4.430.0230.05019.40
5.4.420.0200.05319.27
5.4.410.0170.05719.38
5.4.400.0230.04319.10
5.4.390.0170.05718.72
5.4.380.0270.05018.60
5.4.370.0270.04318.69
5.4.360.0170.05718.70
5.4.350.0300.04718.46
5.4.340.0200.05318.50
5.4.320.0070.06718.57
5.4.310.0230.05018.49
5.4.300.0300.04018.55
5.4.290.0130.05718.52
5.4.280.0170.05718.67
5.4.270.0200.05318.64
5.4.260.0230.04718.48
5.4.250.0170.05718.45
5.4.240.0230.05718.45
5.4.230.0230.04718.64
5.4.220.0100.06318.50
5.4.210.0230.05018.66
5.4.200.0130.05716.65
5.4.190.0230.05018.44
5.4.180.0200.05318.44
5.4.170.0200.05318.63
5.4.160.0130.05718.75
5.4.150.0200.05318.66
5.4.140.0230.05016.36
5.4.130.0130.05016.19
5.4.120.0270.03716.22
5.4.110.0270.04716.12
5.4.100.0230.05316.25
5.4.90.0200.05316.15
5.4.80.0230.04716.24
5.4.70.0170.06016.11
5.4.60.0200.06016.12
5.4.50.0270.05716.14
5.4.40.0170.05316.27
5.4.30.0200.04716.22
5.4.20.0330.03716.12
5.4.10.0130.06016.02
5.4.00.0200.04715.66
5.3.290.0170.05714.67
5.3.280.0300.04014.50
5.3.270.0200.05314.60
5.3.260.0230.05014.59
5.3.250.0100.06014.58
5.3.240.0170.05314.68
5.3.230.0200.05314.57
5.3.220.0200.05314.47
5.3.210.0330.04014.56
5.3.200.0230.04714.54
5.3.190.0270.04314.51
5.3.180.0200.05314.64
5.3.170.0170.05314.54
5.3.160.0100.06014.54
5.3.150.0130.05714.47
5.3.140.0170.05314.53
5.3.130.0270.04314.64
5.3.120.0230.05714.52
5.3.110.0170.06314.52
5.3.100.0200.05013.96
5.3.90.0270.04014.01
5.3.80.0100.06014.11
5.3.70.0170.05013.99
5.3.60.0200.05314.09
5.3.50.0270.04313.86
5.3.40.0300.04313.91
5.3.30.0200.05313.90
5.3.20.0270.04013.61
5.3.10.0170.05013.75
5.3.00.0130.06013.62
5.2.170.0030.05011.29
5.2.160.0070.05011.14
5.2.150.0170.04711.06
5.2.140.0200.04011.10
5.2.130.0100.04311.14
5.2.120.0170.03711.07
5.2.110.0170.03711.09
5.2.100.0130.04011.05
5.2.90.0230.04011.11
5.2.80.0200.03711.05
5.2.70.0170.04011.13
5.2.60.0170.03711.11
5.2.50.0170.03710.94
5.2.40.0130.04011.02
5.2.30.0170.04010.93
5.2.20.0170.03710.96
5.2.10.0170.03710.88
5.2.00.0170.03710.77
5.1.60.0130.03310.00
5.1.50.0170.03010.05
5.1.40.0170.0309.96
5.1.30.0170.03710.48
5.1.20.0170.03010.40
5.1.10.0130.03710.19
5.1.00.0130.04010.20
5.0.50.0070.0308.55
5.0.40.0100.0238.42
5.0.30.0100.0408.36
5.0.20.0130.0278.21
5.0.10.0070.0308.14
5.0.00.0100.0408.27
4.4.90.0030.0235.88
4.4.80.0030.0235.82
4.4.70.0100.0205.81
4.4.60.0000.0275.86
4.4.50.0070.0235.82
4.4.40.0030.0375.93
4.4.30.0100.0175.81
4.4.20.0000.0275.93
4.4.10.0030.0235.95
4.4.00.0070.0375.97
4.3.110.0070.0205.80
4.3.100.0200.0205.80
4.3.90.0000.0275.91
4.3.80.0070.0335.89
4.3.70.0000.0275.87
4.3.60.0030.0275.81
4.3.50.0030.0235.86
4.3.40.0030.0375.74
4.3.30.0030.0234.55
4.3.20.0100.0174.58
4.3.10.0000.0274.60
4.3.00.0200.0136.86

preferences:
55.02 ms | 401 KiB | 5 Q