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run code in 300+ PHP versions simultaneously
<?php $data = '{"relays_published":"2013-12-21 01:00:00", "relays":[ {"fingerprint":"9A785788015257CEE6DBC184B76CDEA24B19ADAB", "write_history":{ "3_days":{"first":"2013-12-17 12:22:30","last":"2013-12-20 11:37:30","interval":900,"factor":3896.316,"count":286,"values":[408,413,357,429,488,527,525,547,452,434,395,431,435,536,523,446,470,462,480,541,534,469,483,654,507,502,393,471,437,384,324,396,496,604,442,376,333,357,354,387,374,397,199,335,361,355,330,235,229,225,385,417,302,408,208,162,182,215,219,224,259,269,458,352,237,233,242,170,293,321,341,365,351,441,428,326,376,374,273,262,181,273,280,298,268,463,380,317,321,363,533,558,588,450,438,308,398,407,338,434,388,430,392,460,444,420,495,652,551,457,463,470,460,422,463,568,617,555,474,431,443,407,379,387,435,499,464,548,456,341,453,464,598,669,349,363,422,491,634,508,238,359,355,295,325,335,491,454,299,259,435,277,475,444,294,320,290,227,256,172,219,251,340,284,236,250,297,272,822,723,455,494,268,413,297,254,398,368,244,309,269,258,445,370,493,444,309,326,319,376,374,557,418,487,474,512,500,415,483,751,999,671,531,592,618,574,620,481,419,511,547,588,937,847,679,658,793,706,553,528,356,398,320,440,429,532,314,514,509,431,512,487,441,358,278,349,370,354,358,339,414,331,380,306,441,275,345,487,243,120,137,236,184,204,246,250,263,229,327,320,425,639,563,849,472,489,484,416,536,452,308,407,405,361,417,557,378,528,496,663,557,482,265,405,443,383]}, "1_week":{"first":"2013-12-13 12:30:00","last":"2013-12-20 11:30:00","interval":3600,"factor":2976.697,"count":168,"values":[331,382,416,423,574,643,422,553,512,480,514,589,387,568,305,391,449,481,486,516,558,452,520,501,524,472,528,396,621,392,364,408,479,542,732,638,510,601,639,561,528,711,582,487,589,459,429,503,519,443,677,665,698,546,689,779,705,362,371,291,405,389,328,179,234,299,240,290,316,285,330,413,303,262,288,549,638,601,482,641,568,582,572,629,735,587,323,381,561,514,542,428,458,602,473,494,526,644,598,630,608,663,673,529,634,465,444,452,352,437,255,396,348,368,519,442,326,461,502,666,475,538,595,695,594,724,544,584,588,681,625,478,474,474,488,358,321,349,743,482,414,419,529,457,634,625,966,787,641,999,887,524,561,644,512,468,480,447,323,285,350,637,751,560,521,641,644,537]}, "1_month":{"first":"2013-12-04 06:00:00","last":"2013-12-20 10:00:00","interval":14400,"factor":2273.542,"count":98,"values":[0,0,0,1,2,2,1,10,19,15,26,28,12,11,24,114,106,63,102,127,70,95,104,70,63,120,126,259,257,172,194,358,384,274,89,0,0,0,106,279,265,274,268,293,323,415,455,319,433,463,489,567,672,527,381,522,508,718,686,541,633,665,628,584,783,756,755,648,754,888,566,426,348,440,459,773,769,663,669,663,785,810,653,471,549,640,754,801,777,587,621,595,986,999,715,503,752,771]} }, "read_history":{ "3_days":{"first":"2013-12-17 12:22:30","last":"2013-12-20 11:37:30","interval":900,"factor":3778.206,"count":286,"values":[406,409,347,419,482,521,520,536,443,423,385,420,424,528,512,430,457,452,470,527,526,460,474,639,495,488,376,456,427,373,312,380,488,596,431,364,324,350,343,376,369,392,192,327,354,350,323,226,220,218,379,409,296,403,203,155,177,212,214,217,254,266,458,350,235,229,233,167,290,315,338,359,345,436,424,318,372,369,266,250,170,264,271,290,260,457,375,309,310,356,527,546,579,442,430,302,387,393,324,417,374,416,379,455,438,414,493,652,543,442,448,452,441,408,453,563,616,549,462,413,431,394,366,381,423,485,447,528,437,325,436,449,585,657,334,350,412,484,629,499,231,352,348,287,320,327,486,453,296,256,432,268,470,440,286,304,278,220,253,168,214,246,333,279,229,242,289,265,817,718,450,484,260,406,289,242,391,361,235,297,260,246,436,360,488,436,301,313,311,369,369,559,410,478,462,496,487,405,483,744,999,656,510,568,604,556,602,469,409,489,528,563,926,834,662,637,780,694,540,522,350,391,302,426,419,522,308,509,508,426,508,482,436,348,271,339,366,350,355,338,416,333,378,301,418,258,334,485,240,118,135,231,180,199,239,242,260,224,324,316,419,637,563,855,473,487,485,414,532,447,303,401,398,352,407,548,369,521,485,653,546,473,253,392,432,372]}, "1_week":{"first":"2013-12-13 12:30:00","last":"2013-12-20 11:30:00","interval":3600,"factor":2824.674,"count":168,"values":[335,388,422,430,585,659,428,566,523,490,524,597,391,581,311,398,457,490,495,527,563,459,527,508,534,480,539,405,635,399,368,415,479,545,741,651,514,610,647,570,534,720,589,490,593,457,422,494,510,431,673,660,693,548,686,778,712,354,371,292,410,393,328,175,232,300,237,288,313,282,326,414,300,259,289,558,643,612,478,645,577,585,576,638,750,594,324,383,571,519,545,427,461,607,476,492,530,650,597,630,605,664,668,525,634,462,445,453,349,439,254,400,350,371,523,443,319,462,502,668,470,531,602,698,587,732,536,581,578,677,627,478,475,481,489,353,321,347,753,481,411,414,530,456,638,626,973,779,634,999,887,523,560,653,514,472,490,439,327,284,351,647,769,567,521,644,644,534]}, "1_month":{"first":"2013-12-04 06:00:00","last":"2013-12-20 10:00:00","interval":14400,"factor":2151.826,"count":98,"values":[0,0,0,1,2,3,1,10,19,16,26,29,13,11,25,117,108,63,104,128,72,97,106,72,65,123,129,263,264,178,196,367,393,282,91,0,0,0,109,285,269,278,274,300,330,425,465,323,443,468,500,579,688,537,389,533,517,735,700,552,646,675,643,596,793,769,766,646,747,888,568,429,347,438,461,780,780,673,677,669,790,808,654,473,554,641,755,800,775,590,625,594,990,999,722,505,766,773]} }} ], "bridges_published":"2013-12-21 00:37:04", "bridges":[ ]}'; $decodedData = json_decode($data); $relays = $decodedData->relays; $firstRelay = reset($relays); $writeHistoryValues = $firstRelay->write_history->{'3_days'}->values; var_dump($writeHistoryValues);

preferences:
39 ms | 402 KiB | 5 Q