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<?php $table = 'test'; $tableNames= array('col1' => 'str', 'col2' => 3, 'col4' => 5.5); $query = "INSERT INTO $table ("; $query .= implode(', ', array_keys($tableNames)); $query .= ") VALUES ("; $query .= str_repeat('?, ', count($tableNames) - 1); $query .= "?)"; echo $query; $types = str_repeat('s', count($tableNames)); $stmt->bind_param($types, ...$tableNames);
Output for git.master, git.master_jit, rfc.property-hooks
INSERT INTO test (col1, col2, col4) VALUES (?, ?, ?) Warning: Undefined variable $stmt in /in/SleN0 on line 15 Fatal error: Uncaught Error: Call to a member function bind_param() on null in /in/SleN0:15 Stack trace: #0 {main} thrown in /in/SleN0 on line 15
Process exited with code 255.

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