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<?php $params = [ 'param1' => 1, 'param2' => new Class { public $foo = 1; public $bar = 2; public function __toString():string {return 'test';} } ]; var_dump(http_build_query($params)); foreach ($params as $k => &$v) $params[$k] = (string) $v; var_dump(http_build_query($params));
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(44) "param1=1&param2%5Bfoo%5D=1&param2%5Bbar%5D=2" string(20) "param1=1&param2=test"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected 'Class' (T_CLASS) in /in/nH479 on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/nH479 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/nH479 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nH479 on line 3
Process exited with code 255.

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