3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maybe_unserialize( $original ) { if ( is_serialized( $original ) ) return @unserialize( $original ); return $original; } function is_serialized( $data, $strict = true ) { // if it isn't a string, it isn't serialized if ( ! is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; $length = strlen( $data ); if ( $length < 4 ) return false; if ( ':' !== $data[1] ) return false; if ( $strict ) { $lastc = $data[ $length - 1 ]; if ( ';' !== $lastc && '}' !== $lastc ) return false; } else { $semicolon = strpos( $data, ';' ); $brace = strpos( $data, '}' ); // Either ; or } must exist. if ( false === $semicolon && false === $brace ) return false; // But neither must be in the first X characters. if ( false !== $semicolon && $semicolon < 3 ) return false; if ( false !== $brace && $brace < 4 ) return false; } $token = $data[0]; switch ( $token ) { case 's' : if ( $strict ) { if ( '"' !== $data[ $length - 2 ] ) return false; } elseif ( false === strpos( $data, '"' ) ) { return false; } // or else fall through case 'a' : case 'O' : return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); case 'b' : case 'i' : case 'd' : $end = $strict ? '$' : ''; return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); } return false; } function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); // Double serialization is required for backward compatibility. // See http://core.trac.wordpress.org/ticket/12930 if ( is_serialized( $data, false ) ) return serialize( $data ); return $data; } $a = 's:4\0:"ryat";'; var_dump(unserialize($a));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00418.36
8.3.50.0140.00521.14
8.3.40.0120.00318.54
8.3.30.0070.01018.88
8.3.20.0040.00420.04
8.3.10.0080.00021.92
8.3.00.0030.00522.58
8.2.180.0100.00616.75
8.2.170.0120.00322.96
8.2.160.0140.00019.19
8.2.150.0050.00324.18
8.2.140.0120.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00319.23
8.2.110.0060.00322.10
8.2.100.0000.01219.26
8.2.90.0040.00419.14
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00817.92
8.2.50.0060.00318.07
8.2.40.0080.00018.22
8.2.30.0040.00417.89
8.2.20.0000.00817.68
8.2.10.0040.00417.63
8.2.00.0050.00217.75
8.1.280.0030.01025.92
8.1.270.0030.00622.11
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00423.98
8.1.230.0040.00719.09
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.36
8.1.190.0040.00417.30
8.1.180.0050.00318.63
8.1.170.0000.00818.67
8.1.160.0000.00722.07
8.1.150.0040.00418.60
8.1.140.0000.00917.36
8.1.130.0070.00017.85
8.1.120.0040.00417.43
8.1.110.0000.00717.30
8.1.100.0040.00417.38
8.1.90.0000.00717.47
8.1.80.0000.00717.40
8.1.70.0070.00017.38
8.1.60.0000.00817.49
8.1.50.0040.00417.44
8.1.40.0040.00417.43
8.1.30.0040.00417.54
8.1.20.0030.00617.60
8.1.10.0040.00417.33
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0050.00317.16
8.0.280.0000.00718.36
8.0.270.0000.00717.21
8.0.260.0030.00316.74
8.0.250.0030.00316.99
8.0.240.0000.00716.99
8.0.230.0000.00717.03
8.0.220.0050.00216.79
8.0.210.0050.00216.79
8.0.200.0030.00316.86
8.0.190.0040.00416.93
8.0.180.0040.00416.85
8.0.170.0080.00016.81
8.0.160.0070.00016.91
8.0.150.0040.00416.75
8.0.140.0000.00816.75
8.0.130.0000.00513.33
8.0.120.0040.00416.75
8.0.110.0050.00216.90
8.0.100.0000.00716.97
8.0.90.0080.00016.89
8.0.80.0070.00716.92
8.0.70.0050.00316.82
8.0.60.0050.00216.93
8.0.50.0030.00616.91
8.0.30.0090.00916.91
8.0.20.0100.01117.40
8.0.10.0050.00316.99
8.0.00.0150.00316.80
7.4.330.0020.00215.00
7.4.320.0030.00316.46
7.4.300.0040.00416.47
7.4.290.0030.00616.54
7.4.280.0040.00416.47
7.4.270.0030.00616.55
7.4.260.0000.00816.54
7.4.250.0000.00716.57
7.4.240.0080.00016.52
7.4.230.0000.00716.45
7.4.220.0100.01016.57
7.4.210.0060.00816.53
7.4.200.0030.00316.43
7.4.190.0000.00716.50
7.4.160.0060.00916.33
7.4.150.0060.01317.40
7.4.140.0150.00517.86
7.4.130.0130.00516.52
7.4.120.0060.01116.58
7.4.110.0100.00716.38
7.4.100.0090.00916.52
7.4.90.0150.00316.47
7.4.80.0070.01319.39
7.4.70.0150.00916.65
7.4.60.0070.01016.52
7.4.50.0000.00816.66
7.4.40.0110.00822.77
7.4.30.0100.00616.68
7.4.10.0100.01015.22
7.4.00.0070.01015.11
7.3.330.0000.00613.05
7.3.320.0000.00513.31
7.3.310.0070.00016.32
7.3.300.0000.00616.31
7.3.290.0110.00716.30
7.3.280.0090.00716.27
7.3.270.0030.01317.40
7.3.260.0090.01516.41
7.3.250.0080.01116.44
7.3.240.0170.00716.24
7.3.230.0060.01216.39
7.3.210.0140.00716.28
7.3.200.0120.00616.41
7.3.190.0120.00816.32
7.3.180.0100.00716.32
7.3.170.0070.01016.38
7.3.160.0080.00816.41
7.3.130.0000.01714.88
7.3.120.0100.00714.70
7.3.110.0070.01014.63
7.3.100.0080.00814.78
7.3.90.0090.00514.65
7.3.80.0050.00814.56
7.3.70.0030.01214.49
7.3.60.0020.00814.57
7.3.50.0080.00514.62
7.3.40.0060.00614.81
7.3.30.0000.01314.76
7.3.20.0080.00616.51
7.3.10.0040.01216.43
7.3.00.0030.00916.38
7.2.330.0090.00916.40
7.2.320.0130.01316.59
7.2.310.0180.00016.58
7.2.300.0070.01016.21
7.2.290.0160.00316.43
7.2.260.0060.00915.01
7.2.250.0090.00814.79
7.2.240.0030.01314.83
7.2.230.0070.00814.80
7.2.220.0050.00814.87
7.2.210.0090.00614.99
7.2.200.0070.00514.88
7.2.190.0070.00914.99
7.2.180.0050.00714.85
7.2.170.0030.00914.92
7.2.160.0060.00414.77
7.2.150.0080.01016.56
7.2.140.0020.00916.66
7.2.130.0060.00916.67
7.2.120.0030.00816.84
7.2.110.0030.00916.62
7.2.100.0040.00716.65
7.2.90.0020.00816.81
7.2.80.0020.01216.76
7.2.70.0110.00616.74
7.2.60.0030.00916.74
7.2.50.0070.00516.63
7.2.40.0050.00816.55
7.2.30.0100.00616.61
7.2.20.0080.00816.73
7.2.10.0080.00616.69
7.2.00.0060.01017.65
7.1.330.0050.01015.82
7.1.320.0000.01015.76
7.1.310.0060.00715.65
7.1.300.0070.00515.49
7.1.290.0010.01115.67
7.1.280.0020.01215.86
7.1.270.0030.00915.70
7.1.260.0020.01015.70
7.1.250.0070.00515.52
7.1.240.0050.00615.67
7.1.230.0080.00815.66
7.1.220.0020.01115.74
7.1.210.0060.00815.66
7.1.200.0030.00715.70
7.1.190.0060.00915.76
7.1.180.0030.01115.66
7.1.170.0080.00315.69
7.1.160.0090.00515.52
7.1.150.0040.00915.66
7.1.140.0050.01115.56
7.1.130.0030.00515.82
7.1.120.0060.00915.69
7.1.110.0070.00715.66
7.1.100.0050.00716.42
7.1.90.0080.00415.72
7.1.80.0030.00915.67
7.1.70.0020.01116.18
7.1.60.0080.00917.10
7.1.50.0060.01116.17
7.1.40.0070.00715.84
7.1.30.0050.00515.67
7.1.20.0060.00515.57
7.1.10.0090.00515.79
7.1.00.0050.02917.94
7.0.330.0050.00715.29
7.0.320.0080.00715.15
7.0.310.0030.01015.27
7.0.300.0030.01015.38
7.0.290.0030.00715.37
7.0.280.0070.01015.15
7.0.270.0080.00615.31
7.0.260.0040.01215.17
7.0.250.0030.00815.40
7.0.240.0020.01215.38
7.0.230.0040.00815.45
7.0.220.0070.00815.39
7.0.210.0000.01415.24
7.0.200.0050.00715.86
7.0.190.0070.00515.39
7.0.180.0060.00715.41
7.0.170.0070.00715.19
7.0.160.0000.01015.26
7.0.150.0020.01015.31
7.0.140.0080.02617.66
7.0.130.0070.00615.15
7.0.120.0050.00815.38
7.0.110.0070.03316.89
7.0.100.0120.02916.79
7.0.90.0070.02316.91
7.0.80.0070.03216.99
7.0.70.0080.03216.90
7.0.60.0020.02516.76
7.0.50.0110.02917.01
7.0.40.0070.03415.73
7.0.30.0090.03215.68
7.0.20.0070.02715.52
7.0.10.0100.02115.71
7.0.00.0090.02115.56
5.6.400.0090.00714.15
5.6.390.0050.00814.35
5.6.380.0030.00614.11
5.6.370.0080.00514.07
5.6.360.0060.00814.31
5.6.350.0050.00814.34
5.6.340.0060.00614.34
5.6.330.0080.00414.33
5.6.320.0080.00814.13
5.6.310.0060.00914.26
5.6.300.0050.00614.14
5.6.290.0080.00314.16
5.6.280.0020.03016.43
5.6.270.0050.00914.19
5.6.260.0070.00614.16
5.6.250.0030.03516.47
5.6.240.0130.02416.21
5.6.230.0110.03116.42
5.6.220.0070.02616.32
5.6.210.0120.01516.38
5.6.200.0140.02616.51
5.6.190.0090.02116.42
5.6.180.0070.02216.40
5.6.170.0070.01716.51
5.6.160.0070.03016.41
5.6.150.0030.03416.54
5.6.140.0040.02316.50
5.6.130.0080.02816.46
5.6.120.0080.02116.46
5.6.110.0090.03116.61
5.6.100.0070.01916.39
5.6.90.0070.02816.43
5.6.80.0070.01616.28
5.6.70.0040.03216.31
5.6.60.0090.02016.21
5.6.50.0010.02916.19
5.6.40.0060.03216.23
5.6.30.0030.02116.15
5.6.20.0040.01916.16
5.6.10.0060.03116.24
5.6.00.0090.02716.28
5.5.380.0080.03116.27
5.5.370.0050.03216.07
5.5.360.0080.02216.16
5.5.350.0070.03216.27
5.5.340.0080.03016.39
5.5.330.0090.03016.45
5.5.320.0080.03116.20
5.5.310.0040.03216.31
5.5.300.0060.02416.38
5.5.290.0050.02916.17
5.5.280.0070.03216.25
5.5.270.0090.01816.29
5.5.260.0060.03116.30
5.5.250.0090.02716.17
5.5.240.0110.02816.21
5.5.230.0050.02316.02
5.5.220.0090.03015.94
5.5.210.0090.02716.07
5.5.200.0070.03116.06
5.5.190.0050.03115.88
5.5.180.0090.01216.13
5.5.170.0000.01114.06
5.5.160.0050.02416.11
5.5.150.0050.01616.09
5.5.140.0040.03016.04
5.5.130.0020.03016.00
5.5.120.0070.02116.20
5.5.110.0040.02116.09
5.5.100.0050.01716.20
5.5.90.0060.02015.98
5.5.80.0030.01716.03
5.5.70.0040.02116.23
5.5.60.0050.01716.06
5.5.50.0050.01716.01
5.5.40.0060.01716.10
5.5.30.0080.01616.03
5.5.20.0030.01816.05
5.5.10.0090.02416.00
5.5.00.0050.03315.94
5.4.450.0090.02714.13
5.4.440.0060.02314.22
5.4.430.0060.02814.20
5.4.420.0050.01914.24
5.4.410.0010.02714.11
5.4.400.0050.02213.94
5.4.390.0060.02014.04
5.4.380.0080.02914.08
5.4.370.0070.01613.99
5.4.360.0040.02513.99
5.4.350.0030.02714.02
5.4.340.0040.02514.10
5.4.330.0050.00711.49
5.4.320.0030.03113.90
5.4.310.0050.02914.09
5.4.300.0060.01513.96
5.4.290.0070.01314.02
5.4.280.0040.01713.99
5.4.270.0030.01714.02
5.4.260.0060.02314.08
5.4.250.0050.01314.06
5.4.240.0060.01214.04
5.4.230.0030.01513.95
5.4.220.0030.01714.03
5.4.210.0020.01813.88
5.4.200.0030.01713.97
5.4.190.0090.02213.97
5.4.180.0080.02614.07
5.4.170.0080.02714.01
5.4.160.0050.02713.90
5.4.150.0050.01714.07
5.4.140.0030.02713.04
5.4.130.0050.01713.15
5.4.120.0040.01513.12
5.4.110.0060.02613.19
5.4.100.0060.01513.13
5.4.90.0070.02413.10
5.4.80.0020.01513.08
5.4.70.0010.02913.22
5.4.60.0030.01813.18
5.4.50.0050.01513.02
5.4.40.0040.01713.18
5.4.30.0070.01613.13
5.4.20.0020.01812.96
5.4.10.0040.01813.20
5.4.00.0040.02712.92
5.3.290.0040.02712.38
5.3.280.0020.01812.33
5.3.270.0060.02612.36
5.3.260.0060.02412.39
5.3.250.0050.02712.31
5.3.240.0070.01212.38
5.3.230.0060.01512.27
5.3.220.0010.01812.38
5.3.210.0040.01812.40
5.3.200.0080.02112.41
5.3.190.0070.01812.41
5.3.180.0040.02712.42
5.3.170.0020.01712.41
5.3.160.0050.01512.43
5.3.150.0040.02412.41
5.3.140.0040.01712.41
5.3.130.0060.01712.38
5.3.120.0040.02612.37
5.3.110.0060.02112.37
5.3.100.0050.01712.29
5.3.90.0080.01312.14
5.3.80.0020.01912.17
5.3.70.0020.02512.16
5.3.60.0020.01912.21
5.3.50.0050.01512.11
5.3.40.0010.01812.16
5.3.30.0010.01612.15
5.3.20.0040.02212.09
5.3.10.0040.02612.06
5.3.00.0010.01712.00
5.2.170.0000.03711.13
5.2.160.0000.03011.19
5.2.150.0030.03011.39
5.2.140.0000.03311.13
5.2.130.0000.04711.10
5.2.120.0030.02710.98
5.2.110.0030.02711.26
5.2.100.0000.03011.35
5.2.90.0030.03010.97
5.2.80.0070.02311.26
5.2.70.0000.03011.34
5.2.60.0000.05711.06
5.2.50.0000.04011.04
5.2.40.0000.03011.05
5.2.30.0000.03310.98
5.2.20.0100.04311.11
5.2.10.0030.04011.12
5.2.00.0100.05710.71
5.1.60.0000.05710.08
5.1.50.0070.0509.98
5.1.40.0130.04310.07
5.1.30.0030.05310.38
5.1.20.0100.05010.40
5.1.10.0070.02710.11
5.1.00.0000.04010.10
5.0.50.0100.0408.79
5.0.40.0070.0178.79
5.0.30.0070.0508.79
5.0.20.0030.0378.79
5.0.10.0030.0438.79
5.0.00.0170.0538.79
4.4.90.0000.0178.79
4.4.80.0030.0138.79
4.4.70.0000.0178.79
4.4.60.0000.0208.79
4.4.50.0000.0238.79
4.4.40.0030.0508.79
4.4.30.0030.0338.79
4.4.20.0000.0238.79
4.4.10.0030.0138.79
4.4.00.0000.0338.79
4.3.110.0030.0308.79
4.3.100.0000.0378.79
4.3.90.0030.0378.79
4.3.80.0030.0508.79
4.3.70.0030.0338.79
4.3.60.0070.0208.79
4.3.50.0000.0438.79
4.3.40.0000.0578.79
4.3.30.0000.0338.79
4.3.20.0000.0378.79
4.3.10.0000.0378.79
4.3.00.0000.0208.79

preferences:
49.24 ms | 401 KiB | 5 Q