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run code in 150+ php & hhvm versions
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<?php $str = '{"products":[{"product_id":"057-10-1351","desired_quantity":1}],"nearby":"32765","radius":100,"multichannel_options":[{"multichannel_option":"none"}]}'; print $str;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
{"products":[{"product_id":"057-10-1351","desired_quantity":1}],"nearby":"32765","radius":100,"multichannel_options":[{"multichannel_option":"none"}]}
Output for hhvm-3.12.0

Process exited with code 137.