3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = [ "_1444734871078_78" => [ ["attribute" => "enabled", "value" => "1"], ["attribute" => "animal_skin", "value" => ""], ["attribute" => "brand", "value" => ""], ["attribute" => "care", "value" => ""], ["attribute" => "collection", "value" => ""], ["attribute" => "color", "value" => ""], ["attribute" => "commodity_code", "value" => ""], ["attribute" => "description", "value" => ""], ["attribute" => "fashion", "value" => ""], ["attribute" => "fit", "value" => ""], ["attribute" => "gender", "value" => ""], ["attribute" => "heel_height", "value" => ""], ["attribute" => "heel_type", "value" => ""], ["attribute" => "lining", "value" => ""], ["attribute" => "material", "value" => ""], ["attribute" => "name", "value" => ""], ["attribute" => "original_season_code", "value" => ""], ["attribute" => "product_type", "value" => ""], ["attribute" => "season_code", "value" => ""], ["attribute" => "shape", "value" => ""], ["attribute" => "skutype", "value" => ""], ["attribute" => "sole", "value" => ""], ["attribute" => "stamp", "value" => ""], ["attribute" => "style", "value" => ""], ["attribute" => "sub_category", "value" => ""], ["attribute" => "web_category_1", "value" => ""], ["attribute" => "web_category_2", "value" => ""], ["attribute" => "web_category_3", "value" => ""], ["attribute" => "web_category_4", "value" => ""], ["attribute" => "web_exclusive", "value" => ""], ["attribute" => "web_exclusive", "value" => ""], ["attribute" => "family", "value" => ""], ["attribute" => "back_in_stock", "value" => ""], ["attribute" => "bag_depth", "value" => ""], ["attribute" => "bag_height", "value" => ""], ["attribute" => "bag_strap_drop", "value" => ""], ["attribute" => "bag_width", "value" => ""], ["attribute" => "best_seller", "value" => ""], ["attribute" => "colour_group", "value" => ""], ["attribute" => "insock", "value" => ""], ["attribute" => "last", "value" => ""], ["attribute" => "limited_edition", "value" => ""], ["attribute" => "line", "value" => ""], ["attribute" => "made_in_britain", "value" => ""], ["attribute" => "made_in_italy", "value" => ""], ["attribute" => "new_season_offers", "value" => ""], ["attribute" => "newin", "value" => ""], ["attribute" => "offer", "value" => ""], ["attribute" => "preorders", "value" => ""], ["attribute" => "rand", "value" => ""], ["attribute" => "sale", "value" => ""], ["attribute" => "short_description", "value" => ""], ["attribute" => "sole_edge", "value" => ""], ["attribute" => "trim", "value" => ""], ["attribute" => "visible", "value" => ""], ["attribute" => "related_fit", "value" => ""], ["attribute" => "url_key", "value" => ""], ["attribute" => "colour_group", "value" => ""], ] ]; var_dump(serialize($foo));

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)
8.3.60.0070.01416.50
8.3.50.0130.00721.21
8.3.40.0040.01118.51
8.3.30.0120.00318.67
8.3.20.0070.00020.22
8.3.10.0040.00423.65
8.3.00.0040.00423.70
8.2.180.0100.01316.35
8.2.170.0170.00018.79
8.2.160.0170.00022.96
8.2.150.0030.00624.18
8.2.140.0110.00424.66
8.2.130.0050.00319.77
8.2.120.0040.00426.35
8.2.110.0060.00322.32
8.2.100.0070.00417.93
8.2.90.0040.00419.23
8.2.80.0070.00017.97
8.2.70.0040.00417.50
8.2.60.0000.00717.91
8.2.50.0040.00418.07
8.2.40.0070.00322.38
8.2.30.0030.00320.69
8.2.20.0080.00017.56
8.2.10.0040.00418.00
8.2.00.0040.00417.91
8.1.280.0150.00625.92
8.1.270.0160.00321.95
8.1.260.0040.00428.09
8.1.250.0070.00728.09
8.1.240.0080.00024.00
8.1.230.0070.00419.14
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.01017.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0110.00018.23
8.1.160.0000.00720.70
8.1.150.0030.00318.68
8.1.140.0000.00819.43
8.1.130.0000.00717.52
8.1.120.0000.00717.30
8.1.110.0030.00517.45
8.1.100.0040.00417.41
8.1.90.0000.00717.29
8.1.80.0030.00617.41
8.1.70.0040.00417.41
8.1.60.0060.00317.50
8.1.50.0060.00317.40
8.1.40.0040.00417.38
8.1.30.0040.00417.59
8.1.20.0050.00217.54
8.1.10.0070.00017.35
8.1.00.0040.00417.27
8.0.300.0000.00918.77
8.0.290.0000.00716.63
8.0.280.0050.00218.38
8.0.270.0070.00017.11
8.0.260.0030.00317.19
8.0.250.0040.00416.86
8.0.240.0040.00416.90
8.0.230.0070.00016.92
8.0.220.0040.00416.78
8.0.210.0080.00016.71
8.0.200.0000.00616.85
8.0.190.0030.00616.79
8.0.180.0000.00916.83
8.0.170.0040.00416.75
8.0.160.0000.00716.82
8.0.150.0040.00416.83
8.0.140.0000.00716.76
8.0.130.0030.00313.31
8.0.120.0000.00816.75
8.0.110.0040.00416.86
8.0.100.0000.00716.71
8.0.90.0050.00216.88
8.0.80.0060.00916.84
8.0.70.0000.00816.73
8.0.60.0040.00416.81
8.0.50.0030.00616.68
8.0.30.0120.00917.01
8.0.20.0120.00717.40
8.0.10.0070.00016.99
8.0.00.0080.01016.79
7.4.330.0000.00516.73
7.4.320.0030.00316.56
7.4.300.0000.01016.32
7.4.290.0030.00316.48
7.4.280.0070.00316.54
7.4.270.0030.00316.57
7.4.260.0000.00716.49
7.4.250.0000.00716.40
7.4.240.0060.00216.50
7.4.230.0080.00016.59
7.4.220.0170.01416.56
7.4.210.0140.00316.51
7.4.200.0000.00716.49
7.4.160.0070.01116.43
7.4.150.0170.00617.40
7.4.140.0100.00817.86
7.4.130.0120.00516.28
7.4.120.0100.01116.46
7.4.110.0110.00716.24
7.4.100.0090.00916.50
7.4.90.0000.01616.24
7.4.80.0080.01119.39
7.4.70.0130.00316.31
7.4.60.0100.00716.42
7.4.50.0060.00616.19
7.4.40.0140.00516.45
7.4.30.0080.00916.42
7.4.00.0120.00415.09
7.3.330.0000.00512.90
7.3.320.0000.00513.00
7.3.310.0000.00716.20
7.3.300.0030.00316.21
7.3.290.0070.00016.11
7.3.280.0080.00916.18
7.3.270.0070.01117.40
7.3.260.0090.00916.36
7.3.250.0100.01216.11
7.3.240.0090.01016.17
7.3.230.0160.00616.39
7.3.210.0100.00716.31
7.3.200.0140.00319.39
7.3.190.0160.00616.37
7.3.180.0060.01016.31
7.3.170.0060.01516.27
7.3.160.0110.00616.11
7.3.10.0040.00716.53
7.3.00.0140.00515.92
7.2.330.0130.00816.53
7.2.320.0110.01116.45
7.2.310.0130.01016.30
7.2.300.0040.01516.45
7.2.290.0080.00816.27
7.2.130.0140.00516.44
7.2.120.0120.00316.09
7.2.110.0200.00016.66
7.2.100.0270.00316.22
7.2.90.0030.01216.54
7.2.80.0200.00316.34
7.2.70.0070.01016.23
7.2.60.0060.01116.35
7.2.50.0110.01116.02
7.2.40.0090.00616.50
7.2.30.0080.01616.46
7.2.20.0090.00316.05
7.2.10.0160.00316.51
7.2.00.0090.00317.85
7.1.250.0040.01115.64
7.1.200.0080.00815.59
7.1.100.0070.00717.77
7.1.70.0060.00316.89
7.1.60.0030.02019.20
7.1.50.0090.01216.57
7.1.00.0030.07722.37
7.0.200.1110.00714.89
7.0.60.0000.07021.54
7.0.50.0000.06317.84
7.0.40.0030.04720.22
7.0.30.0070.05020.20
7.0.20.0370.07720.19
7.0.10.0000.06020.16
7.0.00.0100.05320.20
5.6.280.0070.03020.86
5.6.210.0030.08320.72
5.6.200.0030.04018.23
5.6.190.0130.07720.61
5.6.180.0430.05320.35
5.6.170.0230.08020.50
5.6.160.0170.07320.39
5.6.150.0070.06718.23
5.6.140.0070.07318.21
5.6.130.0030.08018.22
5.6.120.0000.07021.03
5.6.110.0100.06721.04
5.6.100.0100.06021.16
5.6.90.0130.08321.02
5.6.80.0100.07720.41
5.5.350.0230.06020.41
5.5.340.0000.04017.89
5.5.330.0130.07320.37
5.5.320.0230.04320.30
5.5.310.0170.04020.17
5.5.300.0100.08018.00
5.5.290.0100.07718.01
5.5.280.0100.07320.79
5.5.270.0070.04020.79
5.5.260.0070.09020.90
5.5.250.0100.06320.70
5.5.240.0270.05720.11

preferences:
31.78 ms | 401 KiB | 5 Q