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<?php // $this->last_result analogue in WPDB for 80000 posts' "SELECT meta_key, meta_value WHERE...." $last_result = array_fill( 0, 80000, (object) [ 'meta_key' => 'hello_who', 'meta_value' => str_repeat( 'World and WordPress ', 20 ), ] ); const ARRAY_N = 0b0; $output = 0b0; // Startup engines; number_format( hrtime( true ) / 1e9 ); $new_array = []; foreach ( (array) $last_result as $row ) { // ...integer-keyed row arrays. $new_array[] = array_values( get_object_vars( $row ) ); } $new_array = []; foreach ( (array) $last_result as $row ) { // ...column name-keyed row arrays. $new_array[] = get_object_vars( $row ); } $new_array = []; // Test. $new_array = []; $t = hrtime( true ); foreach ( (array) $last_result as $row ) { if ( ARRAY_N === $output ) { // ...integer-keyed row arrays. $new_array[] = array_values( get_object_vars( $row ) ); } else { // ...column name-keyed row arrays. $new_array[] = get_object_vars( $row ); } } echo 'Old ARRAY_N: ', number_format( ( hrtime( true ) - $t ) / 1e9, 5 ).'s', "\n"; $new_array = []; $t = hrtime( true ); if ( ARRAY_N === $output ) { foreach ( (array) $last_result as $row ) { // ...integer-keyed row arrays. $new_array[] = array_values( get_object_vars( $row ) ); } } else { foreach ( (array) $last_result as $row ) { // ...column name-keyed row arrays. $new_array[] = get_object_vars( $row ); } } echo 'New ARRAY_N: ', number_format( ( hrtime( true ) - $t ) / 1e9, 5 ).'s', "\n"; // Test ARRAY_A now. $output = 0b1; $new_array = []; $t = hrtime( true ); foreach ( (array) $last_result as $row ) { if ( ARRAY_N === $output ) { // ...integer-keyed row arrays. $new_array[] = array_values( get_object_vars( $row ) ); } else { // ...column name-keyed row arrays. $new_array[] = get_object_vars( $row ); } } echo 'Old ARRAY_A: ', number_format( ( hrtime( true ) - $t ) / 1e9, 5 ).'s', "\n"; $new_array = []; $t = hrtime( true ); if ( ARRAY_N === $output ) { foreach ( (array) $last_result as $row ) { // ...integer-keyed row arrays. $new_array[] = array_values( get_object_vars( $row ) ); } } else { foreach ( (array) $last_result as $row ) { // ...column name-keyed row arrays. $new_array[] = get_object_vars( $row ); } } echo 'New ARRAY_A: ', number_format( ( hrtime( true ) - $t ) / 1e9, 5 ).'s', "\n";
Output for git.master
Old ARRAY_N: 0.00726s New ARRAY_N: 0.00669s Old ARRAY_A: 0.00413s New ARRAY_A: 0.00321s
Output for git.master_jit
Fatal error: Out of memory (allocated 18878464 bytes) (tried to allocate 2097160 bytes) in /in/6OOHn on line 17 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for rfc.property-hooks
Old ARRAY_N: 0.00575s New ARRAY_N: 0.00442s Old ARRAY_A: 0.00419s New ARRAY_A: 0.00277s

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