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<?php var_dump(json_decode("974110684307885632", true, 512, JSON_BIGINT_AS_STRING));
based on rAfvS
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.27, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
int(974110684307885632)
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant JSON_BIGINT_AS_STRING - assumed 'JSON_BIGINT_AS_STRING' in /in/2gND4 on line 3 Warning: json_decode() expects at most 3 parameters, 4 given in /in/2gND4 on line 3 NULL
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_BIGINT_AS_STRING - assumed 'JSON_BIGINT_AS_STRING' in /in/2gND4 on line 3 Warning: json_decode() expects at most 2 parameters, 4 given in /in/2gND4 on line 3 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/2gND4 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/2gND4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/2gND4 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/2gND4 on line 3