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<?php function format_number($number) { $str = number_format($number, 4, '.', ''); $str = preg_replace('/(?<=\.\d{2,3})0+$/', '', $str); return $str; } var_dump(format_number(4.0)); var_dump(format_number(4.5)); var_dump(format_number(4.454)); var_dump(format_number(4.54545454)); var_dump(format_number(4.450));
Output for 7.3.12 - 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
Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 0 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 0 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 0 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 0 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 0 in /in/OFk2b on line 5 NULL
Output for 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33
Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: preg_replace(): Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL Warning: Compilation failed: lookbehind assertion is not fixed length at offset 13 in /in/OFk2b on line 5 NULL

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