reading a file and printing specific values

<?php
// get contents of a file into a string
$filename = "./areacode.log";
$handle = fopen($filename, "r");
$contents = fread($handle, filesize($filename));
fclose($handle);

$elements=explode("\n",$contents) ;
foreach($elements as $value) {
if (stristr($value,"California ")) {   // If  Number  California  is found it will print all values co Calif
echo "$value<br>";
}

}
?>

Original File
Alabama(1)251

Alabama(1)256

Alabama(1)334

Alaska(1)907

Arizona (1)480

Arizona (1)520

Arizona (1)602

Arizona (1)623

Arizona (1)928

Arkansas(1)479

Arkansas(1)501

Arkansas(1)870

California (1)209

California (1)213

California (1)310

California (1)323

California (1)408

California (1)415

json encode y decode

<?php

$arr=array(6000=>"blocked",6001=>40000);

$info=json_encode($arr);

print_r($info);

$info=json_decode($info,true);

foreach($info as $key=>$value){
echo "<br><br>";
echo  "$key=>$value <br>";
}


?>