3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print_r(array_keys((array)json_decode(/* 0 */ '{ "0" : 3870, "1" : 2580, "2" : 6450, "3" : 3225, "4" : 5160, "5" : 4515, "6" : 5805, "7" : 9675, "8" : 7095, "9" : 10320, "10" : 9030, "11" : 7740, "12" : 8385, "13" : 12900, "14" : 1290, "15" : 0, "16" : 10965, "17" : 15480, "18" : 5960, "19" : 1935, "20" : 4470, "21" : 5215, "22" : 3725, "23" : 2980, "24" : 11610, "25" : 12255, "26" : 2258, "27" : 5483, "28" : 2235, "29" : 7450, "30" : 1490, "31" : 4193, "32" : 6705, "33" : 5588, "34" : 7823, "35" : 12665, "36" : 8940, "37" : 8195, "38" : 323, "39" : 16390, "40" : 9685, "41" : 2903, "42" : 10430, "43" : 13545, "44" : 4843, "45" : 15645, "46" : 11920, "47" : 373, "48" : 13410, "49" : 2608, "50" : 8568, "51" : 4838, "52" : 4098, "53" : 11175, "54" : 14155, "55" : 14900, "56" : 745 }')));
based on A37rr
Output for 5.2.0 - 7.1.0
Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 [6] => 6 [7] => 7 [8] => 8 [9] => 9 [10] => 10 [11] => 11 [12] => 12 [13] => 13 [14] => 14 [15] => 15 [16] => 16 [17] => 17 [18] => 18 [19] => 19 [20] => 20 [21] => 21 [22] => 22 [23] => 23 [24] => 24 [25] => 25 [26] => 26 [27] => 27 [28] => 28 [29] => 29 [30] => 30 [31] => 31 [32] => 32 [33] => 33 [34] => 34 [35] => 35 [36] => 36 [37] => 37 [38] => 38 [39] => 39 [40] => 40 [41] => 41 [42] => 42 [43] => 43 [44] => 44 [45] => 45 [46] => 46 [47] => 47 [48] => 48 [49] => 49 [50] => 50 [51] => 51 [52] => 52 [53] => 53 [54] => 54 [55] => 55 [56] => 56 )
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/FQtGD on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/FQtGD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/FQtGD on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/FQtGD on line 2