<?php $g_demographics_value_0['id'] = 'a'; $g_demographics_value_1['id'] = 'b'; $g_demographics_value_2['id'] = 'c'; $g_demographics_value_3['id'] = 'd'; $g_demographics_value_4['id'] = 'e'; $g_demographics_value_5['id'] = 'f'; $g_demographics_value_6['id'] = 'g'; $g_demographics_value_7['id'] = 'h'; $g_demographics_value_8['id'] = 'i'; $g_demographics_value_9['id'] = 'j'; $d4_c_d_v = ''; for($i = 0; $i < 10; ++$i) { if ($i) { $d4_c_d_v .= ','; } $d4_c_d_v .= ${"g_demographics_value_$i"}['id']; } echo $d4_c_d_v;
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Value for `_results` contains invalid data `array`