generate-bash-script.php

<?php
function get_product_ids() {
	$output = shell_exec( "vip wp -a woocommerce -e staging -y -- db query \"SELECT id FROM wp_posts WHERE post_type = 'product' AND post_status = 'publish'\" --skip-column-names" );
	$output = str_replace( array( '|', '-', '+' ), '', $output );
	$lines  = explode( "\n", trim( $output ) );
	return array_map( 'intval', array_filter( $lines ) );
}

function generate_scripts( $ids, $chunks = 2 ) {
	$ids = array_chunk( $ids, $chunks );
	foreach ( $ids as $index => $chunk ) {
		$data = "#!/bin/bash\n";
		$data .= "set -x\n";
		foreach ( $chunk as $id ) {
			$data .= sprintf( "vip wp -a woocommerce -e staging -y -- wccom ai-utilities generate_product_features %d\n", $id );
			$data .= sprintf( "vip wp -a woocommerce -e staging -y -- wccom ai-utilities generate_search_keywords %d\n", $id );
			$data .= sprintf( "vip wp -a woocommerce -e staging -y -- wccom ai-utilities generate_product_compatibility %d\n", $id );
		}
		
		$filename = __FILE__ . '_part_' . $index . '.sh';
		if ( file_put_contents( $filename, $data ) ) {
			printf( "Written to file '%s'\n", $filename );
		} else {
			printf( "Error outputting to file '%s', aborting\n", $filename );
			exit();
		}
	}
}

$chunks = 331; // For 1324/1291 staging/prod products, this generates about 4 parallel processes, which works fine against VIP limitations
$ids    = get_product_ids();
printf( "Found %d products. With the current setting, this will generate approximately %d parallel processes\n", count( $ids ), ceil( count( $ids ) / $chunks ) );
generate_scripts( $ids, $chunks );