3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "*** using correct value ***\n\n"; $Array = unserialize('a:2:{s:1:"a";i:1;s:1:"b";R:1;}'); echo "print_r():\n"; echo "----------\n"; print_r($Array); echo "\n"; $Array['a'] = 2; var_dump($Array['b']); //$Array['b']['a'] = 2; echo "print_r():\n"; echo "----------\n"; print_r($Array); echo "\n";

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)
8.3.40.0140.00718.87
8.3.30.0100.00318.70
8.3.20.0080.00018.77
8.3.10.0100.00720.51
8.3.00.0030.00517.50
8.2.170.0090.00622.96
8.2.160.0100.00622.09
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0000.00819.95
8.2.110.0070.00321.03
8.2.100.0100.00317.84
8.2.90.0090.00019.26
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0040.00418.05
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0040.00417.98
8.2.20.0000.00717.54
8.2.10.0000.00817.74
8.2.00.0070.00017.69
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00020.89
8.1.230.0080.00321.04
8.1.220.0040.00418.77
8.1.210.0000.00818.80
8.1.200.0030.00717.35
8.1.190.0000.00717.39
8.1.180.0050.00318.10
8.1.170.0040.00418.76
8.1.160.0000.00718.94
8.1.150.0050.00318.50
8.1.140.0030.00517.33
8.1.130.0070.00017.89
8.1.120.0000.00717.42
8.1.110.0000.00717.41
8.1.100.0050.00317.39
8.1.90.0040.00417.40
8.1.80.0020.00517.38
8.1.70.0070.00017.29
8.1.60.0000.00817.41
8.1.50.0040.00417.38
8.1.40.0000.00817.35
8.1.30.0000.00717.64
8.1.20.0000.00817.56
8.1.10.0030.00617.58
8.1.00.0070.00017.59
8.0.300.0080.00020.04
8.0.290.0040.00416.75
8.0.280.0040.00418.44
8.0.270.0070.00017.30
8.0.260.0030.00316.80
8.0.250.0040.00416.90
8.0.240.0040.00416.92
8.0.230.0000.00716.82
8.0.220.0000.00716.81
8.0.210.0040.00416.81
8.0.200.0040.00416.92
8.0.190.0000.00816.92
8.0.180.0000.00716.95
8.0.170.0040.00416.93
8.0.160.0040.00416.95
8.0.150.0060.00316.82
8.0.140.0050.00616.77
8.0.130.0050.00013.29
8.0.120.0040.00416.76
8.0.110.0040.00416.68
8.0.100.0040.00416.96
8.0.90.0000.00816.78
8.0.80.0090.01116.88
8.0.70.0040.00416.96
8.0.60.0040.00416.78
8.0.50.0000.00916.81
8.0.30.0140.00817.09
8.0.20.0080.01217.24
8.0.10.0040.00416.91
8.0.00.0060.01116.62
7.4.330.0050.00012.86
7.4.320.0030.00316.56
7.4.300.0000.00616.55
7.4.290.0030.00316.34
7.4.280.0000.00916.44
7.4.270.0030.00316.52
7.4.260.0030.00313.14
7.4.250.0030.00516.40
7.4.240.0000.00716.40
7.4.230.0070.00016.25
7.4.220.0090.00916.53
7.4.210.0070.00916.51
7.4.200.0000.00816.64
7.4.190.0030.00316.50
7.4.160.0120.00416.53
7.4.150.0140.00316.28
7.4.140.0090.01116.46
7.4.130.0110.00716.61
7.4.120.0130.00316.52
7.4.110.0110.00616.63
7.4.100.0070.01016.54
7.4.90.0110.00716.70
7.4.80.0060.01116.36
7.4.70.0220.00016.32
7.4.60.0130.00716.44
7.4.50.0030.00316.29
7.4.40.0070.00316.43
7.4.30.0080.00816.68
7.4.10.0060.00915.03
7.4.00.0070.00814.73
7.3.330.0030.00312.95
7.3.320.0030.00313.05
7.3.310.0040.00416.23
7.3.300.0030.00316.23
7.3.290.0110.00916.25
7.3.280.0080.00816.25
7.3.270.0090.01716.30
7.3.260.0070.01016.50
7.3.250.0050.01316.28
7.3.240.0110.00716.31
7.3.230.0060.01316.23
7.3.210.0070.01416.36
7.3.200.0070.01419.39
7.3.190.0150.00816.38
7.3.180.0030.01316.53
7.3.170.0110.00716.34
7.3.160.0120.00416.39
7.3.130.0070.01114.93
7.3.120.0060.01114.78
7.3.110.0110.00514.78
7.3.100.0110.00614.91
7.3.90.0050.00914.77
7.3.80.0050.01214.92
7.3.70.0050.00914.90
7.3.60.0030.01014.85
7.3.50.0100.00214.60
7.3.40.0030.01114.79
7.3.30.0030.01014.67
7.3.20.0040.01016.74
7.3.10.0080.00716.52
7.3.00.0040.00916.49
7.2.330.0090.00916.92
7.2.320.0060.01216.36
7.2.310.0120.01116.57
7.2.300.0170.00016.49
7.2.290.0060.01116.50
7.2.260.0090.00915.31
7.2.250.0090.01014.86
7.2.240.0030.01414.97
7.2.230.0090.01115.04
7.2.220.0020.01014.84
7.2.210.0060.00915.02
7.2.200.0050.00615.01
7.2.190.0060.00915.14
7.2.180.0060.01114.90
7.2.170.0070.00514.98
7.2.160.0040.01214.91
7.2.150.0090.00617.00
7.2.140.0090.00616.79
7.2.130.0050.01017.05
7.2.120.0100.00216.70
7.2.110.0050.00716.82
7.2.100.0060.00816.71
7.2.90.0000.01116.89
7.2.80.0070.00516.98
7.2.70.0090.00617.14
7.2.60.0070.00816.84
7.2.50.0000.01616.83
7.2.40.0040.01116.94
7.2.30.0060.00816.95
7.2.20.0020.01016.96
7.2.10.0070.00716.97
7.2.00.0040.00917.65
7.1.330.0040.00915.77
7.1.320.0050.01315.83
7.1.310.0040.00915.55
7.1.300.0020.01015.89
7.1.290.0080.00615.83
7.1.280.0070.00715.80
7.1.270.0070.00415.77
7.1.260.0050.00915.72
7.1.250.0060.00915.82
7.1.240.0070.00715.54
7.1.230.0070.00715.66
7.1.220.0000.01215.74
7.1.210.0030.00715.86
7.1.200.0050.00715.82
7.1.190.0030.00915.86
7.1.180.0070.00715.47
7.1.170.0090.00315.47
7.1.160.0080.00415.74
7.1.150.0070.00715.93
7.1.140.0060.00315.92
7.1.130.0030.00915.87
7.1.120.0040.00415.54
7.1.110.0040.00715.62
7.1.100.0020.01116.93
7.1.90.0080.00615.85
7.1.80.0070.00415.79
7.1.70.0020.00916.45
7.1.60.0050.01117.61
7.1.50.0090.00816.28
7.1.40.0030.00515.77
7.1.30.0070.00715.75
7.1.20.0040.00815.93
7.1.10.0120.00315.89
7.1.00.0040.04319.07
7.0.330.0000.01315.32
7.0.320.0100.00315.12
7.0.310.0060.00615.32
7.0.300.0100.00315.17
7.0.290.0030.00515.44
7.0.280.0040.00815.38
7.0.270.0040.00415.43
7.0.260.0030.01015.48
7.0.250.0000.01415.19
7.0.240.0070.00715.43
7.0.230.0080.00415.41
7.0.220.0070.00315.45
7.0.210.0090.00615.33
7.0.200.0140.00614.96
7.0.190.0000.01415.25
7.0.180.0040.00815.49
7.0.170.0000.01215.20
7.0.160.0110.00415.49
7.0.150.0070.01315.24
7.0.140.0080.03918.52
7.0.130.0070.00415.37
7.0.120.0050.03518.90
7.0.110.0060.00915.55
7.0.100.0000.01215.53
7.0.90.0000.01215.20
7.0.80.0000.01415.31
7.0.70.0130.00015.57
7.0.60.0080.04217.74
7.0.50.0100.01816.63
7.0.40.0110.03516.68
7.0.30.0120.04916.84
7.0.20.0140.02416.74
7.0.10.0190.04316.79
7.0.00.0080.04316.82
5.6.400.0060.01314.54
5.6.390.0130.00314.27
5.6.380.0030.01014.41
5.6.370.0070.00314.04
5.6.360.0000.01414.47
5.6.350.0080.00414.11
5.6.340.0040.00714.04
5.6.330.0040.00414.59
5.6.320.0070.00714.17
5.6.310.0000.01314.62
5.6.300.0090.00314.36
5.6.290.0090.01214.57
5.6.280.0090.00614.22
5.6.270.0070.00714.71
5.6.260.0040.00414.60
5.6.250.0030.00814.64
5.6.240.0100.00314.28
5.6.230.0040.00814.30
5.6.220.0060.00914.62
5.6.210.0130.03517.54
5.6.200.0030.02616.30
5.6.190.0070.03517.32
5.6.180.0240.02517.46
5.6.170.0200.04217.47
5.6.160.0060.02617.54
5.6.150.0090.04216.35
5.6.140.0070.04016.36
5.6.130.0070.04316.39
5.6.120.0080.02017.69
5.6.110.0080.03017.61
5.6.100.0030.04917.62
5.6.90.0030.03017.71
5.6.80.0050.04317.26
5.6.70.1390.01717.42
5.6.60.0120.00014.48
5.6.50.0000.01514.52
5.6.40.0070.00714.46
5.6.30.0090.00414.38
5.6.20.0060.00614.48
5.6.10.0070.00714.36
5.6.00.0090.00614.30
5.5.380.0040.00814.19
5.5.370.0000.01014.32
5.5.360.0060.00814.78
5.5.350.0150.03317.53
5.5.340.0040.02216.13
5.5.330.0070.02517.30
5.5.320.0170.02717.40
5.5.310.0150.04317.17
5.5.300.0060.03816.29
5.5.290.0050.02416.24
5.5.280.0100.04517.70
5.5.270.0030.04717.49
5.5.260.0070.04317.72
5.5.250.0050.04717.44
5.5.240.0020.04417.35
5.5.230.0000.01014.43
5.5.220.0030.01314.17
5.5.210.0080.00814.49
5.5.200.0060.00613.98
5.5.190.0000.01314.47
5.5.180.0000.01314.27
5.5.170.0100.00714.19
5.5.160.0080.00614.30
5.5.150.0120.00314.31
5.5.140.0030.01014.44
5.5.130.0040.00714.25
5.5.120.0110.00314.06
5.5.110.0100.00714.39
5.5.100.0050.00514.25
5.5.90.0000.01314.34
5.5.80.0110.00314.42
5.5.70.0050.00314.10
5.5.60.0070.00314.39
5.5.50.0040.01114.16
5.5.40.0040.01114.40
5.5.30.0040.00714.04
5.5.20.0040.00714.51
5.5.10.0030.00913.91
5.5.00.0040.00713.98
5.4.450.0050.02015.37
5.4.440.0080.04315.33
5.4.430.0070.02715.29
5.4.420.0080.04215.41
5.4.410.0070.02015.35
5.4.400.0070.04015.13
5.4.390.0050.02815.21
5.4.380.0030.03215.06
5.4.370.0030.02515.06
5.4.360.0030.03015.27
5.4.350.0120.03515.25
5.4.340.0020.03115.24
5.4.330.0030.00611.33
5.4.320.0120.03815.25
5.4.310.0050.04015.26
5.4.300.0050.04015.24
5.4.290.0020.02315.05
5.4.280.0100.03815.24
5.4.270.0060.03315.19
5.4.260.0090.02615.12
5.4.250.0160.03115.25
5.4.240.0060.02515.20
5.4.230.0100.03515.25
5.4.220.0060.04015.25
5.4.210.0000.04115.12
5.4.200.0100.03715.05
5.4.190.0030.03915.20
5.4.180.0050.04315.12
5.4.170.0030.02715.12
5.4.160.0050.03315.24
5.4.150.0070.02315.25
5.4.140.0050.03013.83
5.4.130.0050.03813.91
5.4.120.0060.03313.85
5.4.110.0070.03713.87
5.4.100.0060.03013.84
5.4.90.0030.04313.87
5.4.80.0020.03113.79
5.4.70.0030.03813.86
5.4.60.0050.03513.79
5.4.50.0090.03013.82
5.4.40.0060.03813.79
5.4.30.0000.03313.79
5.4.20.0010.02513.85
5.4.10.0020.02713.85
5.4.00.0040.02613.54
5.3.290.0030.04312.97
5.3.280.0080.03812.97
5.3.270.0090.03312.96
5.3.260.0060.02612.94
5.3.250.0020.03012.91
5.3.240.0020.04212.92
5.3.230.0130.02112.86
5.3.220.0080.04012.91
5.3.210.0040.04312.99
5.3.200.0040.04012.91
5.3.190.0050.04212.84
5.3.180.0030.02812.90
5.3.170.0070.03812.89
5.3.160.0020.04012.89
5.3.150.0080.03512.93
5.3.140.0010.02512.91
5.3.130.0030.02412.90
5.3.120.0020.03012.83
5.3.110.0050.02612.90
5.3.100.0050.02212.62
5.3.90.0070.02712.63
5.3.80.0020.03912.68
5.3.70.0000.02712.58
5.3.60.0050.03812.71
5.3.50.0030.04112.61
5.3.40.0050.02112.65
5.3.30.0100.02212.59
5.3.20.0040.02912.49
5.3.10.0050.03912.46
5.3.00.0020.02712.45
5.2.170.0030.07310.97
5.2.160.0070.03011.08
5.2.150.0100.05710.97
5.2.140.0070.05011.30
5.2.130.0000.05310.93
5.2.120.0070.05011.08
5.2.110.0070.03310.98
5.2.100.0070.04711.07
5.2.90.0030.06311.18
5.2.80.0000.04711.04
5.2.70.0100.03311.09
5.2.60.0130.05310.99
5.2.50.0170.02311.01
5.2.40.0000.03310.98
5.2.30.0100.02711.13
5.2.20.0070.04710.90
5.2.10.0030.06010.87
5.2.00.0070.04310.78
5.1.60.0030.0479.97
5.1.50.0030.0579.96
5.1.40.0070.05010.04
5.1.30.0030.03710.48
5.1.20.0000.04010.40
5.1.10.0030.05310.08
5.1.00.0070.05710.06
5.0.50.0030.0478.69
5.0.40.0100.0278.40
5.0.30.0000.0378.22
5.0.20.0030.0478.27
5.0.10.0000.0408.21
5.0.00.0000.0408.29
4.4.90.0030.0377.90
4.4.80.0000.0377.90
4.4.70.0030.0177.90
4.4.60.0000.0337.90
4.4.50.0000.0177.90
4.4.40.0000.0307.90
4.4.30.0030.0337.90
4.4.20.0000.0177.90
4.4.10.0000.0237.90
4.4.00.0030.0437.90
4.3.110.0000.0377.90
4.3.100.0030.0137.90
4.3.90.0030.0207.90
4.3.80.0070.0307.90
4.3.70.0030.0307.90
4.3.60.0070.0307.90
4.3.50.0000.0307.90
4.3.40.0070.0307.90
4.3.30.0030.0337.90
4.3.20.0030.0377.90
4.3.10.0030.0337.90
4.3.00.0000.0277.90

preferences:
44.7 ms | 400 KiB | 5 Q