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<?php $about_group = array( 'group_label' => 'About', 'group_description' => 'Overview of export report', 'items' => array(), ); $groups = 'Not an array'; if ( is_array( $groups ) ) { $groups = array_merge( array( 'about' => $about_group ), $groups ); $groups_count = count( $groups ); } else { // _doing_it_wrong() here. echo "_doing_it_wrong \n"; $groups = null; $groups_count = 0; } // Test and output results. var_dump( $groups ); var_dump( $groups_count ); $groups_json = json_encode( $groups ); var_dump( $groups_json );
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.4, 8.3.6 - 8.3.30, 8.4.1 - 8.4.14, 8.4.16 - 8.4.18, 8.5.0 - 8.5.3
_doing_it_wrong NULL int(0) string(4) "null"
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 _doing_it_wrong NULL int(0) string(4) "null"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
_doing_it_wrong NULL int(0) Fatal error: Call to undefined function json_encode() in /in/P3VAM on line 25
Process exited with code 255.
Output for 4.4.5 - 4.4.9
_doing_it_wrong NULL int(0) Fatal error: Call to undefined function: json_encode() in /in/P3VAM on line 25
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
_doing_it_wrong NULL int(0) Fatal error: Call to undefined function: json_encode() in /in/P3VAM on line 25
Process exited with code 255.
Output for 4.3.0 - 4.3.1
_doing_it_wrong NULL int(0) Fatal error: Call to undefined function: json_encode() in /in/P3VAM on line 25

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