3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { protected $attr = null; } $test = new Test(); $test2 = base64_encode(serialize($test)); var_dump(unserialize(base64_decode('Tzo0OiJUZXN0IjoxOntzOjc6IgAqAGF0dHIiO047fQ==')));

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)
8.3.40.0070.00718.54
8.3.30.0040.01118.72
8.3.20.0040.00418.55
8.3.10.0080.00020.96
8.3.00.0040.00423.47
8.2.170.0140.00022.96
8.2.160.0070.00720.52
8.2.150.0090.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0080.00019.54
8.2.110.0060.00320.54
8.2.100.0070.00417.91
8.2.90.0000.00919.22
8.2.80.0030.00517.97
8.2.70.0030.00517.50
8.2.60.0030.00518.04
8.2.50.0080.00018.07
8.2.40.0050.00318.03
8.2.30.0040.00421.23
8.2.20.0040.00417.64
8.2.10.0000.00817.48
8.2.00.0000.00817.61
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.48
8.1.230.0040.00820.93
8.1.220.0040.00418.77
8.1.210.0040.00418.77
8.1.200.0040.00417.22
8.1.190.0030.00517.53
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0070.00018.78
8.1.150.0060.00318.45
8.1.140.0080.00017.30
8.1.130.0000.00817.79
8.1.120.0000.00717.41
8.1.110.0030.00617.44
8.1.100.0040.00417.29
8.1.90.0040.00417.29
8.1.80.0020.00517.34
8.1.70.0000.00717.34
8.1.60.0000.00817.41
8.1.50.0030.00617.41
8.1.40.0000.00717.40
8.1.30.0040.00417.52
8.1.20.0040.00417.51
8.1.10.0000.00817.50
8.1.00.0050.00317.33
8.0.300.0050.00519.78
8.0.290.0000.00717.04
8.0.280.0070.00018.32
8.0.270.0030.00517.10
8.0.260.0030.00316.83
8.0.250.0040.00416.98
8.0.240.0030.00516.92
8.0.230.0070.00016.90
8.0.220.0030.00716.79
8.0.210.0030.00616.89
8.0.200.0000.00616.96
8.0.190.0040.00416.86
8.0.180.0040.00416.92
8.0.170.0030.00516.80
8.0.160.0040.00416.91
8.0.150.0040.00416.81
8.0.140.0090.00316.74
8.0.130.0030.00313.28
8.0.120.0000.00716.91
8.0.110.0070.00016.95
8.0.100.0000.00716.76
8.0.90.0050.00316.84
8.0.80.0040.01116.85
8.0.70.0000.00816.78
8.0.60.0040.00416.78
8.0.50.0060.00316.85
8.0.30.0120.00616.92
8.0.20.0080.01117.40
8.0.10.0040.00417.07
8.0.00.0070.01016.60
7.4.330.0000.00514.78
7.4.320.0030.00316.34
7.4.300.0030.00316.54
7.4.290.0030.00516.42
7.4.280.0070.00016.51
7.4.270.0070.00016.54
7.4.260.0030.00313.17
7.4.250.0040.00416.53
7.4.240.0030.00316.34
7.4.230.0070.00016.54
7.4.220.0130.01316.42
7.4.210.0100.00716.47
7.4.200.0070.00016.42
7.4.190.0000.00716.50
7.4.160.0030.01316.40
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0150.00616.44
7.4.120.0060.01116.46
7.4.110.0130.01016.38
7.4.100.0110.00716.50
7.4.90.0110.00616.34
7.4.80.0090.00919.39
7.4.70.0070.01016.52
7.4.60.0070.01116.35
7.4.50.0040.00416.15
7.4.40.0120.00222.52
7.4.30.0120.00416.58
7.4.00.0060.01014.89
7.3.330.0050.00013.19
7.3.320.0030.00313.14
7.3.310.0000.00716.21
7.3.300.0000.00716.26
7.3.290.0120.00316.18
7.3.280.0090.00816.18
7.3.270.0120.00617.40
7.3.260.0160.00618.24
7.3.250.0100.00916.13
7.3.240.0140.01016.60
7.3.230.0090.00916.39
7.3.210.0110.00516.33
7.3.200.0100.00619.39
7.3.190.0130.00316.13
7.3.180.0110.00416.41
7.3.170.0100.00716.30
7.3.160.0090.00616.36
7.3.120.0080.00814.72
7.3.110.0030.01314.47
7.3.100.0140.00314.44
7.3.90.0080.00314.50
7.3.80.0070.00714.93
7.3.70.0070.01114.93
7.3.60.0030.01014.80
7.3.50.0030.00614.79
7.3.40.0120.00314.56
7.3.30.0040.00814.79
7.3.20.0090.00316.40
7.3.10.0030.00816.61
7.3.00.0110.00316.19
7.2.330.0150.00316.60
7.2.320.0060.01516.50
7.2.310.0110.00616.64
7.2.300.0160.00316.36
7.2.290.0100.00716.63
7.2.250.0100.00714.84
7.2.240.0130.00614.67
7.2.230.0100.00314.90
7.2.220.0040.00814.69
7.2.210.0100.00715.12
7.2.200.0030.00914.86
7.2.190.0030.01014.80
7.2.180.0000.01114.90
7.2.170.0070.00714.85
7.2.00.0030.01219.30
7.1.330.0040.01215.81
7.1.320.0080.00315.89
7.1.310.0030.01015.85
7.1.300.0000.01315.71
7.1.290.0100.00615.51
7.1.280.0040.01115.76
7.1.270.0070.00715.73
7.1.260.0030.00715.70
7.1.100.0180.01217.71
7.1.70.0030.00617.09
7.1.60.0160.00619.40
7.1.50.0100.01016.89
7.1.00.0070.06722.38
7.0.200.0070.00316.55
7.0.140.0070.07021.98
7.0.100.0070.04019.87
7.0.90.0230.03719.95
7.0.80.0030.04019.95
7.0.70.0000.05019.84
7.0.60.0030.04319.87
7.0.50.0100.08320.31
7.0.40.0170.07319.98
7.0.30.0070.06719.99
7.0.20.0070.05020.13
7.0.10.0100.08020.04
7.0.00.0170.07319.89
5.6.280.0030.07320.81
5.6.250.0030.04320.57
5.6.240.0070.03720.46
5.6.230.0030.04720.66
5.6.220.0070.04020.57
5.6.210.0030.04720.66
5.6.200.0130.04020.92
5.6.190.0070.06320.90
5.6.180.0130.07720.99
5.6.170.0170.07020.97
5.6.160.0100.05321.01
5.6.150.0130.07721.00
5.6.140.0070.05020.88
5.6.130.0300.06021.03
5.6.120.0170.07020.89
5.6.110.0130.07720.95
5.6.100.0070.05020.89
5.6.90.0070.08020.88
5.6.80.0070.04720.22
5.6.70.0030.07320.29
5.6.60.0130.07320.38
5.6.50.0000.05020.35
5.6.40.0070.09020.31
5.6.30.0100.04320.32
5.6.20.0070.04720.39
5.6.10.0070.08020.38
5.6.00.0100.05020.34
5.5.380.0070.03720.49
5.5.370.0000.04320.32
5.5.360.0170.02720.30
5.5.350.0000.04320.38
5.5.340.0030.04320.77
5.5.330.0100.09020.75
5.5.320.0100.04320.86
5.5.310.0100.05020.81
5.5.300.0070.08020.75
5.5.290.0030.09320.71
5.5.280.0030.05020.84
5.5.270.0070.08320.85
5.5.260.0100.08320.76
5.5.250.0030.05720.63
5.5.240.0070.05720.24
5.5.230.0100.08020.15
5.5.220.0170.07020.21
5.5.210.0000.04720.20
5.5.200.0070.05320.22
5.5.190.0070.07020.06
5.5.180.0000.08720.15
5.5.160.0170.06720.14
5.5.150.0030.07320.09
5.5.140.0030.07319.94
5.5.130.0030.06320.10
5.5.120.0170.07320.21
5.5.110.0070.07019.92
5.5.100.0170.05319.92
5.5.90.0100.03320.09
5.5.80.0030.04719.99
5.5.70.0030.05020.01
5.5.60.0100.06319.98
5.5.50.0030.04019.98
5.5.40.0100.07320.04
5.5.30.0100.07720.00
5.5.20.0100.07720.03
5.5.10.0100.04320.04
5.5.00.0100.05320.00
5.4.450.0070.04319.50
5.4.440.0100.04319.27
5.4.430.0030.08019.44
5.4.420.0100.06719.55
5.4.410.0200.02319.32
5.4.400.0100.07318.86
5.4.390.0000.05019.04
5.4.380.0070.07318.88
5.4.370.0070.06319.13
5.4.360.0030.06019.03
5.4.350.0000.06319.09
5.4.340.0100.07319.04
5.4.320.0170.03319.20
5.4.310.0070.07719.21
5.4.300.0130.06319.25
5.4.290.0170.06319.13
5.4.280.0030.08019.22
5.4.270.0100.07019.03
5.4.260.0070.04719.08
5.4.250.0030.04718.87
5.4.240.0070.04318.84
5.4.230.0070.07719.17
5.4.220.0130.07019.15
5.4.210.0030.07018.87
5.4.200.0170.06018.86
5.4.190.0030.07719.04
5.4.180.0000.07719.17
5.4.170.0130.07019.06
5.4.160.0030.06019.02
5.4.150.0030.06718.83
5.4.140.0030.05016.15
5.4.130.0030.07716.36
5.4.120.0130.06316.33
5.4.110.0100.07316.50
5.4.100.0100.06016.33
5.4.90.0100.06716.41
5.4.80.0000.04716.42
5.4.70.0070.07016.41
5.4.60.0070.07016.48
5.4.50.0070.06316.26
5.4.40.0000.05016.46
5.4.30.0070.05316.44
5.4.20.0100.06316.45
5.4.10.0000.04016.47
5.4.00.0200.04715.66
5.3.290.0100.07314.71
5.3.280.0000.04314.65
5.3.270.0070.07314.59
5.3.260.0030.08014.67
5.3.250.0070.06314.58
5.3.240.0130.06714.72
5.3.230.0100.07014.61
5.3.220.0030.08314.59
5.3.210.0000.08014.52
5.3.200.0100.05714.50
5.3.190.0130.04014.63
5.3.180.0030.03714.62
5.3.170.0130.03714.62
5.3.160.0070.07314.65
5.3.150.0070.05314.62
5.3.140.0070.07314.61
5.3.130.0100.08314.57
5.3.120.0000.08714.47
5.3.110.0030.04314.49
5.3.100.0030.05314.09
5.3.90.0070.07014.12
5.3.80.0100.07014.01
5.3.70.0000.05313.94
5.3.60.0100.07014.14
5.3.50.0100.06713.87
5.3.40.0100.04713.96
5.3.30.0170.06713.97
5.3.20.0100.06713.71
5.3.10.0070.07013.68
5.3.00.0030.05013.70
5.2.170.0030.06011.25
5.2.160.0100.05711.04
5.2.150.0030.05711.23
5.2.140.0070.05711.25
5.2.130.0070.03711.02
5.2.120.0070.04711.22
5.2.110.0030.06311.03
5.2.100.0000.04011.12
5.2.90.0170.05011.09
5.2.80.0000.06311.11
5.2.70.0100.05011.10
5.2.60.0100.05711.11
5.2.50.0070.06311.08
5.2.40.0100.05310.92
5.2.30.0000.04010.87
5.2.20.0000.03710.95
5.2.10.0070.05710.68
5.2.00.0070.07010.74
5.1.60.0030.05310.00
5.1.50.0030.0539.89
5.1.40.0000.04310.06
5.1.30.0030.06310.32
5.1.20.0000.03310.36
5.1.10.0000.03710.13
5.1.00.0030.04310.06
5.0.50.0070.0338.65
5.0.40.0070.0378.25
5.0.30.0000.0538.33
5.0.20.0000.0378.26
5.0.10.0030.0478.18
5.0.00.0100.0608.27
4.4.90.0030.0277.66
4.4.80.0000.0377.66
4.4.70.0000.0377.66
4.4.60.0070.0337.66
4.4.50.0070.0337.66
4.4.40.0070.0507.66
4.4.30.0000.0207.66
4.4.20.0070.0307.66
4.4.10.0030.0277.66
4.4.00.0030.0537.66
4.3.110.0000.0337.66
4.3.100.0030.0377.66
4.3.90.0070.0377.66
4.3.80.0000.0577.66
4.3.70.0070.0337.66
4.3.60.0030.0337.66
4.3.50.0030.0277.66
4.3.40.0000.0407.66
4.3.30.0000.0407.66
4.3.20.0030.0337.66
4.3.10.0000.0237.66
4.3.00.0000.0307.66

preferences:
30.87 ms | 400 KiB | 5 Q