GitHub API - Highlighting Code - php

Question

I'm using cURL in PHP to search through code on GitHub. I have everything working except one small option that i cannot figure out how to do.
I have passed the header: Accept: application/vnd.github.v3.text-match+json into cURL just fine, which gives me the extra [text_match] section like so:
{
"text_matches": [
{
"object_url": "https://api.github.com/repositories/167174/contents/src/attributes/classes.js?ref=825ac3773694e0cd23ee74895fd5aeb535b27da4",
"object_type": "FileContent",
"property": "content",
"fragment": ";\n\njQuery.fn.extend({\n\taddClass: function( value ) {\n\t\tvar classes, elem, cur, clazz, j, finalValue",
"matches": [
{
"text": "addClass",
"indices": [
23,
31
]
}
]
},
{
"object_url": "https://api.github.com/repositories/167174/contents/src/attributes/classes.js?ref=825ac3773694e0cd23ee74895fd5aeb535b27da4",
"object_type": "FileContent",
"property": "content",
"fragment": ".isFunction( value ) ) {\n\t\t\treturn this.each(function( j ) {\n\t\t\t\tjQuery( this ).addClass( value.call( this",
"matches": [
{
"text": "addClass",
"indices": [
80,
88
]
}
]
}
]
}
I use the $item['text_matches][$i]['fragment'] to refer to the line of code that i'm searching for.
What i was hoping to do was explicitly state what exact line in the file where the code fragment begins.
Originally, i thought $item['text_matches][$i]['matches]['indices'] was what i was looking for, but this is not the case.
So, how would i go about getting the exact line, because i dont see it within the json dataset.