<?php

$array = [
    [
    	['id' => 10, 'text' => 'Latex'],
    	['id' => 15, 'text' => 'Occasion Latex'],
    	['id' => 82, 'text' => 'Christmas'],
    ],
    [
    	['id' => 11, 'text' => 'Accessories'],
        ['id' => 97, 'text' => 'Retail Accessories'],
        ['id' => 558, 'text' => 'Super Stuffer'],
    ],
    [
    	['id' => 374, 'text' => 'Party Supplies'],
        ['id' => 1488, 'text' => 'Party by Occasion'],
        ['id' => 1493, 'text' => 'Christmas'],
    ],
];

usort($array, function($a, $b) { return $a[0]['text'] <=> $b[0]['text']; });

var_export($array);