3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_serialized( $data ) { // if it isn't a string, it isn't serialized if ( !is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; if ( !preg_match( '/^([adObis]):/', $data, $badions ) ) return false; switch ( $badions[1] ) { case 'a' : case 'O' : case 's' : if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) ) return true; break; case 'b' : case 'i' : case 'd' : if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) ) return true; break; } return false; } echo "7";

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)
8.3.60.0140.00716.36
8.3.50.0130.00718.04
8.3.40.0120.00918.70
8.3.30.0080.00618.92
8.3.20.0060.00320.18
8.3.10.0040.00423.66
8.3.00.0030.00619.38
8.2.180.0080.00816.32
8.2.170.0120.00322.96
8.2.160.0140.00020.38
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0140.00026.16
8.2.120.0070.00022.16
8.2.110.0030.00622.25
8.2.100.0040.00817.91
8.2.90.0000.01019.23
8.2.80.0040.00417.97
8.2.70.0080.00017.25
8.2.60.0090.00017.68
8.2.50.0080.00018.07
8.2.40.0050.00218.22
8.2.30.0030.00517.86
8.2.20.0070.00017.52
8.2.10.0040.00417.79
8.2.00.0040.00417.44
8.1.270.0080.00023.78
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00323.79
8.1.230.0120.00318.97
8.1.220.0090.00017.74
8.1.210.0030.00718.77
8.1.200.0060.00317.13
8.1.190.0040.00417.30
8.1.180.0030.00518.10
8.1.170.0000.00818.52
8.1.160.0050.00221.94
8.1.150.0040.00418.39
8.1.140.0030.00717.33
8.1.130.0030.00317.77
8.1.120.0040.00417.39
8.1.110.0040.00417.29
8.1.100.0000.00717.38
8.1.90.0070.00017.22
8.1.80.0080.00017.30
8.1.70.0030.00317.27
8.1.60.0080.00417.44
8.1.50.0000.00817.28
8.1.40.0030.00617.43
8.1.30.0030.00617.50
8.1.20.0030.00617.54
8.1.10.0050.00217.35
8.1.00.0040.00417.24
8.0.300.0000.00718.77
8.0.290.0040.00417.04
8.0.280.0030.00318.39
8.0.270.0070.00017.18
8.0.260.0030.00317.11
8.0.250.0030.00316.71
8.0.240.0000.00716.77
8.0.230.0000.00716.71
8.0.220.0070.00016.70
8.0.210.0000.00716.78
8.0.200.0000.00616.81
8.0.190.0050.00316.83
8.0.180.0030.00316.79
8.0.170.0000.00816.71
8.0.160.0000.00716.81
8.0.150.0000.00716.61
8.0.140.0000.00716.73
8.0.130.0030.00313.24
8.0.120.0070.00016.70
8.0.110.0040.00416.80
8.0.100.0060.00316.80
8.0.90.0000.00716.73
8.0.80.0130.00616.80
8.0.70.0000.00816.57
8.0.60.0000.00716.76
8.0.50.0040.00416.76
8.0.30.0070.01217.15
8.0.20.0120.00717.40
8.0.10.0050.00216.92
8.0.00.0130.00816.82
7.4.330.0000.00515.00
7.4.320.0030.00316.38
7.4.300.0000.00616.37
7.4.290.0030.00316.27
7.4.280.0000.00816.36
7.4.270.0000.00716.46
7.4.260.0030.00316.31
7.4.250.0000.00716.33
7.4.240.0050.00216.38
7.4.230.0030.00316.46
7.4.220.0090.00916.46
7.4.210.0070.00916.46
7.4.200.0000.00716.48
7.4.190.0080.00016.61
7.4.160.0090.00616.38
7.4.150.0140.00417.40
7.4.140.0090.01217.86
7.4.130.0060.01116.34
7.4.120.0120.00416.44
7.4.110.0060.01116.41
7.4.100.0080.01316.46
7.4.90.0090.00916.44
7.4.80.0150.00319.39
7.4.70.0070.01016.52
7.4.60.0150.00616.54
7.4.50.0060.00316.55
7.4.40.0040.01122.77
7.4.30.0090.00616.38
7.4.10.0070.01416.41
7.4.00.0090.00915.69
7.3.330.0050.00013.25
7.3.320.0030.00313.19
7.3.310.0050.00316.20
7.3.300.0030.00316.04
7.3.290.0070.01016.17
7.3.280.0080.00816.16
7.3.270.0170.00717.40
7.3.260.0030.01316.29
7.3.250.0130.00516.13
7.3.240.0090.00916.58
7.3.230.0130.00416.43
7.3.210.0090.00816.14
7.3.200.0020.00619.39
7.3.190.0070.01416.41
7.3.180.0090.00616.29
7.3.170.0060.01316.36
7.3.160.0100.00716.29
7.3.130.0130.00716.17
7.3.120.0080.00915.37
7.3.110.0040.01216.09
7.3.100.0000.01516.14
7.3.90.0080.00816.13
7.3.80.0090.00616.18
7.3.70.0080.00516.18
7.3.60.0040.01116.31
7.3.50.0000.01216.21
7.3.40.0090.00016.14
7.3.30.0030.00916.25
7.3.20.0100.00717.88
7.3.10.0060.00918.18
7.3.00.0030.00718.23
7.2.330.0150.00316.42
7.2.320.0120.01016.44
7.2.310.0090.00916.56
7.2.300.0090.01516.55
7.2.290.0100.00616.28
7.2.260.0100.01016.26
7.2.250.0100.01016.47
7.2.240.0070.00716.38
7.2.230.0060.00316.37
7.2.220.0000.01216.40
7.2.210.0040.00816.25
7.2.200.0030.01216.27
7.2.190.0040.00816.32
7.2.180.0060.00916.65
7.2.170.0040.00816.25
7.2.160.0060.01216.41
7.2.150.0090.00318.11
7.2.140.0000.01218.34
7.2.130.0000.01318.45
7.2.120.0040.01518.05
7.2.110.0090.00918.32
7.2.100.0030.01018.30
7.2.90.0000.01518.13
7.2.80.0070.01418.16
7.2.70.0030.01418.22
7.2.60.0030.01018.33
7.2.50.0040.01118.10
7.2.40.0100.00618.10
7.2.30.0030.00718.19
7.2.20.0040.00718.09
7.2.10.0030.00718.20
7.2.00.0090.00318.36
7.1.330.0100.00717.23
7.1.320.0070.00717.25
7.1.310.0000.00816.93
7.1.300.0000.01617.40
7.1.290.0000.01117.09
7.1.280.0080.00417.20
7.1.270.0070.00317.46
7.1.260.0030.00717.31
7.1.250.0030.01017.40
7.1.240.0090.00917.08
7.1.230.0060.00617.15
7.1.220.0040.01117.15
7.1.210.0070.01017.16
7.1.200.0030.01017.07
7.1.190.0000.01117.07
7.1.180.0040.01117.04
7.1.170.0040.01117.12
7.1.160.0110.00417.13
7.1.150.0060.00317.27
7.1.140.0090.00417.01
7.1.130.0030.00917.08
7.1.120.0040.00717.14
7.1.110.0000.01217.18
7.1.100.0070.00717.12
7.1.90.0100.00317.30
7.1.80.0100.00317.27
7.1.70.0030.00817.13
7.1.60.0080.01218.30
7.1.50.0090.00717.02
7.1.40.0070.00717.15
7.1.30.0060.01017.27
7.1.20.0120.00317.01
7.1.10.0030.01217.31
7.1.00.0030.04119.81
7.0.330.0000.01616.92
7.0.320.0000.01417.01
7.0.310.0040.01016.97
7.0.300.0060.00316.63
7.0.290.0030.01016.85
7.0.280.0040.00717.06
7.0.270.0000.01216.80
7.0.260.0100.00316.67
7.0.250.0060.00316.80
7.0.240.0060.00916.82
7.0.230.0060.00916.64
7.0.220.0060.00616.75
7.0.210.0000.01216.81
7.0.200.0060.00616.77
7.0.190.0030.01317.04
7.0.180.0150.00016.78
7.0.170.0030.01316.66
7.0.160.0070.00316.85
7.0.150.0030.00916.91
7.0.140.0030.04119.49
7.0.130.0100.00016.96
7.0.120.0060.01016.68
7.0.110.0000.01216.91
7.0.100.0040.00716.71
7.0.90.0130.00616.91
7.0.80.0040.01516.63
7.0.70.0030.01216.80
7.0.60.0080.04018.41
7.0.50.0130.03817.32
7.0.40.0110.04017.52
7.0.30.0050.03317.45
7.0.20.0150.04817.58
7.0.10.0130.02717.57
7.0.00.0080.04417.33
5.6.400.0000.01215.73
5.6.390.0090.00615.59
5.6.380.0040.01215.99
5.6.370.0040.01115.87
5.6.360.0060.00615.86
5.6.350.0070.00716.01
5.6.340.0030.01015.73
5.6.330.0090.00315.50
5.6.320.0000.01215.64
5.6.310.0000.01015.82
5.6.300.0070.00315.64
5.6.290.0030.01215.79
5.6.280.0070.00715.79
5.6.270.0070.00715.59
5.6.260.0040.00415.68
5.6.250.0120.00315.62
5.6.240.0090.00615.67
5.6.230.0000.01415.74
5.6.220.0070.00715.67
5.6.210.0060.02318.21
5.6.200.0050.02516.92
5.6.190.0120.04118.10
5.6.180.1930.02718.31
5.6.170.0120.03218.13
5.6.160.0060.02618.07
5.6.150.0050.04316.87
5.6.140.0070.04516.83
5.6.130.0050.04716.96
5.6.120.0070.04318.34
5.6.110.0150.03818.29
5.6.100.0030.03818.32
5.6.90.0100.02218.31
5.6.80.0060.04418.02
5.6.70.0090.04018.01
5.6.60.0100.00315.64
5.6.50.0090.00915.45
5.6.40.0040.01115.67
5.6.30.0060.00915.56
5.6.20.0120.00415.66
5.6.10.0090.00015.63
5.6.00.0060.00815.59
5.5.380.0070.01015.77
5.5.370.0030.01215.55
5.5.360.0070.00715.49
5.5.350.0100.02317.93
5.5.340.0020.02516.86
5.5.330.0020.04918.04
5.5.320.0150.04018.04
5.5.310.0220.03917.88
5.5.300.0070.04516.83
5.5.290.0030.04616.79
5.5.280.0080.04518.17
5.5.270.0110.04318.19
5.5.260.0090.04918.27
5.5.250.0130.03718.09
5.5.240.0100.03817.92
5.5.230.0090.00015.26
5.5.220.0080.00515.71
5.5.210.0120.00615.42
5.5.200.0060.00915.65
5.5.190.0030.00915.67
5.5.180.0000.01115.54
5.5.170.0030.00615.52
5.5.160.0070.01015.66
5.5.150.0090.00615.62
5.5.140.0070.00415.54
5.5.130.0030.01015.39
5.5.120.0060.01315.67
5.5.110.0100.00715.55
5.5.100.0030.01315.79
5.5.90.0070.01315.60
5.5.80.0150.00015.38
5.5.70.0040.01115.65
5.5.60.0030.01315.34
5.5.50.0040.01115.52
5.5.40.0060.00615.46
5.5.30.0120.00315.25
5.5.20.0070.00715.38
5.5.10.0060.00315.69
5.5.00.0040.01215.62
5.4.450.0280.02316.08
5.4.440.0120.03715.88
5.4.430.0100.03815.99
5.4.420.0220.02216.03
5.4.410.0120.02015.83
5.4.400.0150.02015.84
5.4.390.1810.02015.72
5.4.380.0180.03915.86
5.4.370.0220.03315.85
5.4.360.0160.03015.62
5.4.350.0100.02315.75
5.4.340.0070.02615.84
5.4.330.0030.00312.55
5.4.320.0200.02315.79
5.4.310.0180.02515.71
5.4.300.0150.02715.73
5.4.290.0160.04015.80
5.4.280.0100.02912.45
5.4.270.0060.03112.44
5.4.260.0090.02612.47
5.4.250.0050.02812.38
5.4.240.0060.02812.44
5.4.230.0040.03212.43
5.4.220.0060.02412.38
5.4.210.0110.02612.45
5.4.200.0100.02312.43
5.4.190.0060.02212.40
5.4.180.0020.02412.47
5.4.170.0080.02012.34
5.4.160.0070.02012.38
5.4.150.0100.01912.50
5.4.140.0080.02512.39
5.4.130.0040.03012.29
5.4.120.0030.02312.20
5.4.110.0060.02912.22
5.4.100.0050.02912.27
5.4.90.0060.03312.26
5.4.80.0070.03612.23
5.4.70.0110.02512.29
5.4.60.0090.03212.16
5.4.50.0130.03012.25
5.4.40.0070.04212.25
5.4.30.0100.03112.29
5.4.20.0090.03012.14
5.4.10.0070.03912.20
5.4.00.0050.02711.88
5.3.290.1870.02614.44
5.3.280.0070.03112.74
5.3.270.0040.02912.86
5.3.260.0070.03112.73
5.3.250.0080.02812.73
5.3.240.0060.02112.73
5.3.230.0040.02912.70
5.3.220.0050.02312.68
5.3.210.0090.03012.67
5.3.200.0100.02312.68
5.3.190.0060.02012.65
5.3.180.0070.02312.83
5.3.170.0040.02612.77
5.3.160.0010.02712.76
5.3.150.0040.02712.76
5.3.140.0060.02312.73
5.3.130.0040.02412.77
5.3.120.0030.02512.77
5.3.110.0040.02512.67
5.3.100.0080.02012.43
5.3.90.0020.02512.54
5.3.80.0080.02012.49
5.3.70.0050.03112.38
5.3.60.0080.02712.47
5.3.50.0110.01612.38
5.3.40.0040.02412.34
5.3.30.0020.02312.34
5.3.20.0050.02112.23
5.3.10.0050.02012.09
5.3.00.0060.02412.15
5.2.170.0060.0329.23
5.2.160.0060.0289.23
5.2.150.0050.0319.23
5.2.140.0040.0319.22
5.2.130.0010.0339.19
5.2.120.0070.0269.18
5.2.110.0040.0309.19
5.2.100.0070.0269.19
5.2.90.0080.0269.18
5.2.80.0050.0319.18
5.2.70.0050.0319.18
5.2.60.0030.0329.14
5.2.50.0050.0399.11
5.2.40.0030.0319.08
5.2.30.0040.0309.06
5.2.20.0040.0309.05
5.2.10.0050.0288.96
5.2.00.0040.0308.82
5.1.60.0060.0238.10
5.1.50.0020.0278.09
5.1.40.0020.0268.07
5.1.30.0070.0248.43
5.1.20.0050.0338.45
5.1.10.0070.0258.18
5.1.00.0070.0348.18
5.0.50.0060.0276.66
5.0.40.0080.0216.52
5.0.30.0050.0346.33
5.0.20.0020.0216.29
5.0.10.0130.0196.27
5.0.00.0050.0356.27
4.4.90.0050.0164.78
4.4.80.0010.0174.75
4.4.70.0040.0154.75
4.4.60.0040.0154.76
4.4.50.0050.0144.77
4.4.40.0030.0264.71
4.4.30.0040.0214.76
4.4.20.0010.0184.84
4.4.10.0050.0144.85
4.4.00.0050.0344.76
4.3.110.0020.0174.67
4.3.100.0040.0144.67
4.3.90.0040.0134.64
4.3.80.0030.0334.59
4.3.70.0050.0204.63
4.3.60.0040.0214.63
4.3.50.0050.0214.63
4.3.40.0020.0244.54
4.3.30.0030.0153.32
4.3.20.0030.0153.29
4.3.10.0040.0143.26
4.3.00.0130.02713.91

preferences:
58.39 ms | 400 KiB | 5 Q