3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = new stdClass(); $t->foo = $t; $tt = unserialize(serialize($t)); unset($t, $tt); gc_collect_cylcles();

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)
8.3.40.0040.01118.79
8.3.30.0100.00319.04
8.3.20.0040.00420.04
8.3.10.0040.00423.65
8.3.00.0120.00019.81
8.2.170.0060.01222.96
8.2.160.0140.00720.66
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.23
8.2.110.0210.00022.30
8.2.100.0080.00418.22
8.2.90.0060.00319.22
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0060.00617.65
8.2.50.0000.00818.07
8.2.40.0080.00019.76
8.2.30.0070.00018.32
8.2.20.0070.00017.67
8.2.10.0070.00018.00
8.2.00.0040.00419.34
8.1.270.0060.00923.91
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.20
8.1.230.0080.00319.00
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0000.00818.45
8.1.160.0050.00321.91
8.1.150.0000.00718.63
8.1.140.0040.00417.32
8.1.130.0000.00717.75
8.1.120.0030.00317.40
8.1.110.0030.00517.43
8.1.100.0050.00217.37
8.1.90.0030.00317.38
8.1.80.0040.00417.38
8.1.70.0030.00317.26
8.1.60.0000.00917.48
8.1.50.0060.00317.48
8.1.40.0080.00017.54
8.1.30.0040.00417.63
8.1.20.0060.00317.61
8.1.10.0090.00017.52
8.1.00.0000.00817.53
8.0.300.0020.00518.77
8.0.290.0040.00416.63
8.0.280.0050.00218.37
8.0.270.0070.00017.14
8.0.260.0000.00617.20
8.0.250.0000.00717.01
8.0.240.0040.00416.95
8.0.230.0030.00316.88
8.0.220.0000.00716.79
8.0.210.0070.00016.89
8.0.200.0000.00616.85
8.0.190.0070.00017.00
8.0.180.0080.00016.93
8.0.170.0050.00316.82
8.0.160.0000.00716.79
8.0.150.0040.00416.81
8.0.140.0070.00016.86
8.0.130.0050.00013.25
8.0.120.0040.00416.75
8.0.110.0000.00816.96
8.0.100.0040.00416.71
8.0.90.0070.00016.93
8.0.80.0030.01216.89
8.0.70.0000.00716.74
8.0.60.0000.00716.95
8.0.50.0070.00016.84
8.0.30.0090.01016.94
8.0.20.0160.01117.40
8.0.10.0040.00417.04
8.0.00.0090.01116.87
7.4.330.0050.00015.14
7.4.320.0030.00316.55
7.4.300.0030.00316.43
7.4.290.0000.00816.52
7.4.280.0050.00316.50
7.4.270.0030.00316.60
7.4.260.0070.00016.63
7.4.250.0050.00316.33
7.4.240.0040.00316.51
7.4.230.0030.00316.63
7.4.220.0070.01116.66
7.4.210.0120.00616.53
7.4.200.0070.00016.55
7.4.160.0090.00616.58
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0080.00816.37
7.4.120.0110.00516.53
7.4.110.0100.01016.47
7.4.100.0060.01316.42
7.4.90.0200.00316.39
7.4.80.0190.00319.39
7.4.70.0110.00716.60
7.4.60.0030.01316.38
7.4.50.0040.00416.48
7.4.40.0100.00616.51
7.4.30.0060.00916.70
7.4.10.0060.01314.75
7.4.00.0060.00814.81
7.3.330.0050.00013.15
7.3.320.0030.00313.18
7.3.310.0030.00316.48
7.3.300.0000.00616.25
7.3.290.0130.00216.41
7.3.280.0110.00716.36
7.3.270.0080.01117.40
7.3.260.0000.01716.34
7.3.250.0110.00916.49
7.3.240.0060.01216.33
7.3.230.0160.00016.39
7.3.210.0060.01216.34
7.3.200.0100.01319.39
7.3.190.0080.00816.46
7.3.180.0000.01516.45
7.3.170.0140.00816.50
7.3.160.0100.00716.49
7.3.130.0030.01514.70
7.3.120.0120.00614.88
7.3.110.0070.00814.71
7.3.100.0040.00814.71
7.3.90.0080.00615.00
7.3.80.0030.01014.84
7.3.70.0050.00514.87
7.3.60.0050.00914.78
7.3.50.0070.00414.86
7.3.40.0050.00514.74
7.3.30.0080.00714.74
7.3.20.0080.00616.52
7.3.10.0080.00616.47
7.3.00.0050.00616.68
7.2.330.0080.00816.63
7.2.320.0140.01016.59
7.2.310.0070.01016.56
7.2.300.0140.00416.52
7.2.290.0040.01216.46
7.2.260.0050.01015.07
7.2.250.0050.01315.04
7.2.240.0020.01314.94
7.2.230.0080.00915.03
7.2.220.0020.00814.89
7.2.210.0030.00614.95
7.2.200.0020.01214.94
7.2.190.0080.00614.78
7.2.180.0090.00515.04
7.2.170.0050.01114.83
7.2.160.0070.00514.99
7.2.150.0040.00816.77
7.2.140.0030.01216.63
7.2.130.0030.00816.60
7.2.120.0090.00716.62
7.2.110.0060.00916.79
7.2.100.0050.00916.76
7.2.90.0040.00916.91
7.2.80.0060.01016.72
7.2.70.0080.00416.86
7.2.60.0040.00916.74
7.2.50.0080.00316.81
7.2.40.0070.00716.86
7.2.30.0050.00816.79
7.2.20.0040.01116.94
7.2.10.0070.00416.96
7.2.00.0080.00817.70
7.1.330.0060.00615.61
7.1.320.0090.00715.69
7.1.310.0060.00615.85
7.1.300.0070.00615.80
7.1.290.0050.00515.63
7.1.280.0030.00815.71
7.1.270.0050.00715.49
7.1.260.0070.00615.73
7.1.250.0020.01215.73
7.1.240.0040.00815.73
7.1.230.0030.00815.90
7.1.220.0030.01015.73
7.1.210.0050.00815.71
7.1.200.0030.01015.72
7.1.190.0090.00515.77
7.1.180.0060.00715.80
7.1.170.0030.00915.52
7.1.160.0000.00915.56
7.1.150.0030.01015.71
7.1.140.0060.00815.84
7.1.130.0080.00715.68
7.1.120.0080.00415.79
7.1.110.0030.00915.54
7.1.100.0060.00716.46
7.1.90.0080.00915.66
7.1.80.0080.00615.64
7.1.70.0020.00916.23
7.1.60.0060.01017.10
7.1.50.0100.00716.09
7.1.40.0080.00515.61
7.1.30.0050.01115.77
7.1.20.0050.00915.49
7.1.10.0050.00815.79
7.1.00.0040.03118.05
7.0.330.0060.00615.33
7.0.320.0000.01315.31
7.0.310.0050.01115.27
7.0.300.0050.00615.42
7.0.290.0070.00515.28
7.0.280.0010.00915.34
7.0.270.0050.00915.15
7.0.260.0070.00515.23
7.0.250.0060.00815.35
7.0.240.0090.00615.30
7.0.230.0060.00615.22
7.0.220.0050.00715.29
7.0.210.0020.00915.37
7.0.200.0060.00515.78
7.0.190.0050.00815.41
7.0.180.0080.00615.23
7.0.170.0070.01015.15
7.0.160.0030.00815.33
7.0.150.0030.01015.36
7.0.140.0040.03017.58
7.0.130.0020.01115.37
7.0.120.0080.00515.42
7.0.110.0070.03416.83
7.0.100.0070.03016.85
7.0.90.0080.01817.00
7.0.80.0100.02816.83
7.0.70.0110.03016.96
7.0.60.0080.02016.81
7.0.50.0090.02916.99
7.0.40.0050.02115.50
7.0.30.0060.03315.49
7.0.20.0100.02915.45
7.0.10.0090.03215.58
7.0.00.0100.02615.53
5.6.400.0080.00814.29
5.6.390.0070.00414.49
5.6.380.0040.01114.43
5.6.370.0070.00514.47
5.6.360.0040.00714.47
5.6.350.0080.00314.33
5.6.340.0040.00914.13
5.6.330.0060.00614.46
5.6.320.0080.00614.42
5.6.310.0100.00314.13
5.6.300.0080.00414.54
5.6.290.0070.00614.40
5.6.280.0040.02916.51
5.6.270.0060.00814.44
5.6.260.0090.02716.49
5.6.250.0090.02616.31
5.6.240.0050.03116.34
5.6.230.0070.03316.40
5.6.220.0070.03116.46
5.6.210.0060.03316.45
5.6.200.0120.02816.55
5.6.190.0020.03816.31
5.6.180.0090.02816.47
5.6.170.0080.03116.52
5.6.160.0100.02616.32
5.6.150.0080.03116.24
5.6.140.0080.02816.35
5.6.130.0090.03016.43
5.6.120.0070.03216.27
5.6.110.0070.03316.28
5.6.100.0080.03416.36
5.6.90.0060.03316.38
5.6.80.0100.02616.10
5.6.70.0100.02916.21
5.6.60.0040.03016.02
5.6.50.0030.03316.17
5.6.40.0080.01916.06
5.6.30.0050.02616.18
5.6.20.0040.02916.29
5.6.10.0070.02816.13
5.6.00.0090.03116.16
5.5.380.0060.03216.35
5.5.370.0080.03316.28
5.5.360.0070.03416.34
5.5.350.0050.03516.36
5.5.340.0080.03116.50
5.5.330.0080.02816.45
5.5.320.0040.03516.43
5.5.310.0070.03016.49
5.5.300.0070.03116.47
5.5.290.0080.02316.29
5.5.280.0070.03016.44
5.5.270.0070.03416.61
5.5.260.0100.03016.52
5.5.250.0050.03216.58
5.5.240.0120.02816.11
5.5.230.0070.02316.15
5.5.220.0070.02916.18
5.5.210.0040.02816.16
5.5.200.0040.03416.10
5.5.190.0080.02916.13
5.5.180.0020.02516.20
5.5.170.0030.00814.25
5.5.160.0060.03216.28
5.5.150.0100.02416.11
5.5.140.0050.02616.11
5.5.130.0070.03015.94
5.5.120.0050.02616.26
5.5.110.0030.03116.24
5.5.100.0110.02716.25
5.5.90.0060.03016.15
5.5.80.0070.02916.29
5.5.70.0060.03216.13
5.5.60.0070.03116.01
5.5.50.0050.02016.19
5.5.40.0040.03415.96
5.5.30.0070.03016.06
5.5.20.0030.02416.09
5.5.10.0050.03416.12
5.5.00.0050.03016.09
5.4.450.0100.02513.93
5.4.440.0050.02614.10
5.4.430.0060.03014.03
5.4.420.0070.03014.03
5.4.410.0040.02214.00
5.4.400.0040.03113.90
5.4.390.0070.01813.93
5.4.380.0040.02113.91
5.4.370.0060.02913.80
5.4.360.0120.02214.00
5.4.350.0060.02613.97
5.4.340.0070.02413.86
5.4.330.0040.00911.35
5.4.320.0040.01913.83
5.4.310.0050.02914.00
5.4.300.0050.03013.93
5.4.290.0050.02913.92
5.4.280.0080.01713.90
5.4.270.0030.01814.00
5.4.260.0090.02813.76
5.4.250.0080.02713.88
5.4.240.0100.01813.97
5.4.230.0050.02813.87
5.4.220.0040.03313.95
5.4.210.0040.03113.84
5.4.200.0070.03013.94
5.4.190.0010.03114.01
5.4.180.0070.02613.90
5.4.170.0080.02813.90
5.4.160.0030.02713.99
5.4.150.0060.02913.93
5.4.140.0090.02612.99
5.4.130.0060.02813.05
5.4.120.0050.02812.98
5.4.110.0010.03313.02
5.4.100.0070.02813.05
5.4.90.0050.02813.01
5.4.80.0060.02713.07
5.4.70.0010.02913.05
5.4.60.0050.02912.93
5.4.50.0050.02813.07
5.4.40.0070.01613.02
5.4.30.0030.02913.02
5.4.20.0090.02113.01
5.4.10.0030.02712.97
5.4.00.0070.02812.80
5.3.290.0030.02812.33
5.3.280.0050.02012.22
5.3.270.0070.02612.26
5.3.260.0060.02812.28
5.3.250.0080.02512.26
5.3.240.0020.02812.21
5.3.230.0090.02412.25
5.3.220.0050.02912.13
5.3.210.0050.03112.26
5.3.200.0030.02012.26
5.3.190.0040.02412.19
5.3.180.0060.02812.25
5.3.170.0060.02812.23
5.3.160.0050.02112.31
5.3.150.0010.03212.27
5.3.140.0070.02812.28
5.3.130.0080.02512.29
5.3.120.0020.03112.29
5.3.110.0060.03112.28
5.3.100.0070.01912.08
5.3.90.0060.02912.11
5.3.80.0070.02411.96
5.3.70.0020.02812.01
5.3.60.0070.02712.04
5.3.50.0050.02812.06
5.3.40.0080.02612.03
5.3.30.0010.02812.04
5.3.20.0060.02511.88
5.3.10.0070.02211.89
5.3.00.0050.02711.83
5.2.170.0030.06711.87
5.2.160.0070.06011.87
5.2.150.0000.06711.87
5.2.140.0170.03711.87
5.2.130.0070.03011.87
5.2.120.0100.05711.87
5.2.110.0000.07011.87
5.2.100.0100.05711.87
5.2.90.0030.05711.87
5.2.80.0030.06311.87
5.2.70.0000.06311.87
5.2.60.0000.04711.87
5.2.50.0100.05711.87
5.2.40.0030.05011.87
5.2.30.0070.06011.87
5.2.20.0070.05711.87
5.2.10.0030.05711.87
5.2.00.0130.05011.87
5.1.60.0030.04711.87
5.1.50.0070.05311.87
5.1.40.0070.05311.87
5.1.30.0070.05711.87
5.1.20.0070.05011.87
5.1.10.0030.06011.87
5.1.00.0030.05311.87
5.0.50.0070.02011.87
5.0.40.0130.03711.87
5.0.30.0030.06311.87
5.0.20.0000.04711.87
5.0.10.0100.03311.87
5.0.00.0030.05711.87
4.4.90.0000.02011.87
4.4.80.0000.03311.87
4.4.70.0070.02311.87
4.4.60.0000.03711.87
4.4.50.0000.03711.87
4.4.40.0000.05311.87
4.4.30.0030.03311.87
4.4.20.0030.03311.87
4.4.10.0030.03711.87
4.4.00.0000.05711.87
4.3.110.0030.02011.87
4.3.100.0000.03311.87
4.3.90.0070.01711.87
4.3.80.0000.05311.87
4.3.70.0000.03011.87
4.3.60.0070.03011.87
4.3.50.0030.03311.87
4.3.40.0000.05711.87
4.3.30.0000.03311.87
4.3.20.0000.03311.87
4.3.10.0000.03711.87
4.3.00.0000.03311.87

preferences:
40.58 ms | 400 KiB | 5 Q