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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$json = '{
"value":[
{
"vm": "vm-1060",
"name": "node10",
"cpu_count": 16
},
{
"vm": "vm-1063",
"name": "node2",
"cpu_count": 16
},
{
"vm": "vm-1064",
"name": "node0",
"cpu_count": 16
}
]
}';
// convert into php array
$arr = json_decode($json, true);
$values = array_column($arr['value'], 'vm');
print_r($values);