3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(serialize((object) array("\0*\0a" => "b")));

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)
8.3.40.0100.01018.58
8.3.30.0080.00618.98
8.3.20.0040.00420.21
8.3.10.0040.00421.60
8.3.00.0080.00020.89
8.2.170.0060.00822.96
8.2.160.0100.00622.10
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.53
8.2.110.0060.00318.99
8.2.100.0140.00017.73
8.2.90.0050.00318.95
8.2.80.0060.00317.97
8.2.70.0080.00017.37
8.2.60.0040.00417.80
8.2.50.0080.00018.07
8.2.40.0080.00019.80
8.2.30.0030.00617.93
8.2.20.0040.00417.67
8.2.10.0000.00717.98
8.2.00.0040.00417.61
8.1.270.0040.00420.52
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00620.74
8.1.230.0110.00018.97
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00817.10
8.1.190.0030.00517.00
8.1.180.0070.00018.10
8.1.170.0070.00318.46
8.1.160.0040.00421.85
8.1.150.0040.00418.78
8.1.140.0000.00717.18
8.1.130.0030.00517.79
8.1.120.0000.00717.23
8.1.110.0000.00717.33
8.1.100.0080.00017.38
8.1.90.0040.00417.31
8.1.80.0020.00517.34
8.1.70.0000.00817.27
8.1.60.0000.00817.30
8.1.50.0000.00917.32
8.1.40.0000.00817.31
8.1.30.0000.00817.52
8.1.20.0030.00517.47
8.1.10.0070.00017.23
8.1.00.0000.01217.23
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0030.00318.31
8.0.270.0000.00717.05
8.0.260.0000.00616.99
8.0.250.0000.00616.86
8.0.240.0040.00416.85
8.0.230.0030.00516.84
8.0.220.0040.00416.75
8.0.210.0080.00016.71
8.0.200.0020.00516.81
8.0.190.0000.00716.77
8.0.180.0040.00416.84
8.0.170.0040.00416.82
8.0.160.0000.00716.75
8.0.150.0000.00816.80
8.0.140.0040.00416.67
8.0.130.0000.00513.17
8.0.120.0040.00416.70
8.0.110.0040.00416.71
8.0.100.0030.00516.68
8.0.90.0050.00216.93
8.0.80.0120.00916.77
8.0.70.0030.00516.85
8.0.60.0070.00016.71
8.0.50.0040.00416.86
8.0.30.0130.01017.03
8.0.20.0140.00617.40
8.0.10.0070.00016.84
8.0.00.0040.01316.88
7.4.330.0050.00015.03
7.4.320.0060.00016.35
7.4.300.0060.00016.37
7.4.290.0000.00716.31
7.4.280.0000.00816.45
7.4.270.0040.00416.39
7.4.260.0020.00516.32
7.4.250.0040.00416.45
7.4.240.0010.00616.38
7.4.230.0000.00716.38
7.4.220.0100.00716.56
7.4.210.0030.01116.43
7.4.200.0000.00716.48
7.4.160.0060.01016.41
7.4.150.0040.01517.40
7.4.140.0180.00317.86
7.4.130.0090.00816.29
7.4.120.0130.00516.33
7.4.110.0140.00416.31
7.4.100.0110.00616.36
7.4.90.0050.01116.44
7.4.80.0090.00916.22
7.4.70.0070.01016.32
7.4.60.0090.00616.13
7.4.50.0050.00316.47
7.4.40.0000.01516.28
7.4.30.0040.01916.29
7.4.00.0060.01114.66
7.3.330.0020.00213.09
7.3.320.0070.00712.94
7.3.310.0000.00616.14
7.3.300.0000.00716.20
7.3.290.0000.00716.06
7.3.280.0080.00816.22
7.3.270.0160.00617.40
7.3.260.0200.00316.16
7.3.250.0130.00316.12
7.3.240.0030.01516.43
7.3.230.0080.00816.39
7.3.210.0130.01016.38
7.3.200.0090.00919.39
7.3.190.0100.00616.37
7.3.180.0100.01016.12
7.3.170.0140.00816.27
7.3.160.0060.00916.40
7.3.120.0060.01114.67
7.3.110.0080.00914.70
7.3.100.0060.00914.54
7.3.90.0030.00814.65
7.3.80.0090.00614.59
7.3.70.0070.00714.56
7.3.60.0050.00814.79
7.3.50.0060.00714.51
7.3.40.0050.01114.54
7.3.30.0080.00514.60
7.3.20.0080.00616.57
7.3.10.0070.00516.47
7.3.00.0050.00916.48
7.2.330.0060.01216.58
7.2.320.0080.00816.52
7.2.310.0130.01016.36
7.2.300.0040.01216.49
7.2.290.0060.01616.61
7.2.250.0060.01014.60
7.2.240.0080.01014.87
7.2.230.0060.00915.03
7.2.220.0040.00814.98
7.2.210.0070.00814.90
7.2.200.0040.00914.88
7.2.190.0060.00814.83
7.2.180.0060.00814.81
7.2.170.0050.00915.03
7.2.160.0050.01014.91
7.2.150.0040.00916.50
7.2.140.0070.00716.60
7.2.130.0090.00916.74
7.2.120.0000.01016.82
7.2.110.0150.00616.36
7.2.100.0050.00916.84
7.2.90.0060.00816.69
7.2.80.0020.01016.69
7.2.70.0020.01116.67
7.2.60.0080.00616.70
7.2.50.0060.00916.96
7.2.40.0050.01116.50
7.2.30.0060.01116.76
7.2.20.0070.00916.75
7.2.10.0070.00916.69
7.2.00.0050.00617.49
7.1.330.0060.00815.72
7.1.320.0070.00515.67
7.1.310.0070.00715.73
7.1.300.0080.00615.63
7.1.290.0050.00915.69
7.1.280.0100.00415.73
7.1.270.0040.00915.68
7.1.260.0080.00515.55
7.1.250.0070.01015.70
7.1.240.0060.00815.73
7.1.230.0070.00715.64
7.1.220.0020.01115.73
7.1.210.0070.00915.60
7.1.200.0040.00815.53
7.1.190.0030.01315.61
7.1.180.0010.00815.78
7.1.170.0030.00915.64
7.1.160.0060.00615.73
7.1.150.0080.00715.81
7.1.140.0060.00715.48
7.1.130.0070.00815.66
7.1.120.0100.00215.81
7.1.110.0070.00715.76
7.1.100.0050.00816.52
7.1.90.0060.00515.72
7.1.80.0050.00915.80
7.1.70.0050.00616.19
7.1.60.0070.01116.92
7.1.50.0060.01115.97
7.1.40.0050.00715.61
7.1.30.0080.00315.77
7.1.20.0030.00815.70
7.1.10.0070.00815.66
7.1.00.0070.02817.92
7.0.330.0100.00615.34
7.0.320.0050.00815.26
7.0.310.0050.00915.31
7.0.300.0050.00815.10
7.0.290.0060.00315.31
7.0.280.0050.00615.12
7.0.270.0060.00315.13
7.0.260.0070.00615.18
7.0.250.0040.01115.34
7.0.240.0030.00715.34
7.0.230.0040.00915.39
7.0.220.0050.00715.19
7.0.210.0030.01015.30
7.0.200.0080.00315.93
7.0.190.0050.00915.33
7.0.180.0050.00715.21
7.0.170.0050.00715.40
7.0.160.0020.01015.42
7.0.150.0050.00915.30
7.0.140.0020.02317.71
7.0.130.0060.00715.24
7.0.120.0080.00315.32
7.0.110.0060.00815.25
7.0.100.0060.00415.46
7.0.90.0080.00515.21
7.0.80.0000.01215.27
7.0.70.0100.00115.41
7.0.60.0070.03016.90
7.0.50.0060.01916.21
7.0.40.0080.01915.85
7.0.30.0070.02015.87
7.0.20.0140.03215.94
7.0.10.0060.03415.80
7.0.00.0060.03315.84
5.6.400.0100.00514.22
5.6.390.0080.00614.34
5.6.380.0100.00314.31
5.6.370.0070.00614.25
5.6.360.0060.01014.14
5.6.350.0050.00814.26
5.6.340.0080.00514.22
5.6.330.0030.01114.15
5.6.320.0090.00614.26
5.6.310.0030.01014.02
5.6.300.0070.00514.43
5.6.290.0060.00613.96
5.6.280.0070.02916.38
5.6.270.0060.00614.20
5.6.260.0040.00614.21
5.6.250.0040.00714.24
5.6.240.0040.00914.20
5.6.230.0050.00514.17
5.6.220.0030.00914.25
5.6.210.0070.02416.29
5.6.200.0030.01915.59
5.6.190.0040.03516.32
5.6.180.0210.03116.39
5.6.170.0120.01716.16
5.6.160.0080.02916.21
5.6.150.0080.02715.73
5.6.140.0040.01815.51
5.6.130.0090.03115.53
5.6.120.0070.03016.62
5.6.110.0060.02516.44
5.6.100.0040.03216.38
5.6.90.0090.03016.49
5.6.80.0090.01716.31
5.6.70.0070.00814.12
5.6.60.0080.00514.06
5.6.50.0080.00514.12
5.6.40.0080.00314.09
5.6.30.0080.00814.22
5.6.20.0070.00714.13
5.6.10.0100.00514.08
5.6.00.0070.00714.19
5.5.380.0080.00514.25
5.5.370.0090.00314.00
5.5.360.0030.00914.26
5.5.350.0110.02016.36
5.5.340.0100.02915.40
5.5.330.0050.03416.39
5.5.320.0040.02416.25
5.5.310.0110.02416.21
5.5.300.0070.02815.34
5.5.290.0100.01415.48
5.5.280.0090.03316.43
5.5.270.0080.03016.36
5.5.260.0050.03416.45
5.5.250.0050.03316.28
5.5.240.0080.03016.19
5.5.230.0090.00714.07
5.5.220.0050.00714.12
5.5.210.0060.00813.92
5.5.200.0050.00614.19
5.5.190.0100.00614.21
5.5.180.0070.00814.04
5.5.170.0030.00914.12
5.5.160.0070.00614.19
5.5.150.0070.01014.01
5.5.140.0050.00814.11
5.5.130.0110.00314.22
5.5.120.0020.00814.07
5.5.110.0030.01214.18
5.5.100.0030.00714.08
5.5.90.0080.00614.22
5.5.80.0050.00614.20
5.5.70.0030.00714.17
5.5.60.0030.01013.98
5.5.50.0040.01114.13
5.5.40.0080.00814.06
5.5.30.0110.00514.18
5.5.20.0050.00914.19
5.5.10.0020.01214.11
5.5.00.0040.00914.15
5.4.450.0200.02314.98
5.4.440.0460.02315.03
5.4.430.0330.02314.97
5.4.420.0450.02415.09
5.4.410.0360.02015.04
5.4.400.0390.03014.91
5.4.390.0160.02414.71
5.4.380.0180.02514.70
5.4.370.0140.02814.73
5.4.360.0220.02414.72
5.4.350.0210.02814.77
5.4.340.0190.02114.71
5.4.330.0020.00512.82
5.4.320.0160.02414.77
5.4.310.0180.02114.77
5.4.300.0170.02014.73
5.4.290.0210.02314.71
5.4.280.0150.02714.79
5.4.270.0190.01914.78
5.4.260.0130.02414.78
5.4.250.0170.02314.79
5.4.240.0180.02714.77
5.4.230.0150.02514.75
5.4.220.0200.02114.74
5.4.210.0260.02214.74
5.4.200.0210.02114.05
5.4.190.0180.02614.73
5.4.180.0150.02514.70
5.4.170.0190.02714.76
5.4.160.0110.02214.70
5.4.150.0120.02314.73
5.4.140.0130.02113.93
5.4.130.0200.02213.92
5.4.120.0130.03213.95
5.4.110.0150.02113.95
5.4.100.0160.02213.92
5.4.90.0110.02513.92
5.4.80.0150.02113.97
5.4.70.0080.02413.94
5.4.60.0130.02213.91
5.4.50.0180.02513.98
5.4.40.0150.02213.95
5.4.30.0210.01713.92
5.4.20.0130.02613.91
5.4.10.0180.02213.95
5.4.00.0120.02313.78
5.3.290.0470.06014.57
5.3.280.0400.06014.58
5.3.270.0370.05014.63
5.3.260.0330.06014.49
5.3.250.0330.05714.58
5.3.240.0400.06314.63
5.3.230.0470.06014.57
5.3.220.0300.07314.54
5.3.210.0300.05714.59
5.3.200.0300.06014.47
5.3.190.0470.05314.58
5.3.180.0200.06314.48
5.3.170.0370.06014.55
5.3.160.0300.05314.45
5.3.150.0230.05714.65
5.3.140.0170.05314.62
5.3.130.0200.06314.52
5.3.120.0370.05014.51
5.3.110.0370.06014.62
5.3.100.0430.05014.13
5.3.90.0300.06314.09
5.3.80.0200.07013.93
5.3.70.0300.05014.00
5.3.60.0330.06314.09
5.3.50.0330.04713.85
5.3.40.0230.05013.88
5.3.30.0270.05713.90
5.3.20.0300.06013.63
5.3.10.0370.05013.60
5.3.00.0270.05013.60
5.2.170.0330.05011.11
5.2.160.0130.04711.18
5.2.150.0170.05711.14
5.2.140.0170.04711.10
5.2.130.0200.04311.08
5.2.120.0300.03011.01
5.2.110.0200.05011.08
5.2.100.0230.04711.25
5.2.90.0170.04011.02
5.2.80.0200.04011.05
5.2.70.0130.05311.13
5.2.60.0100.04711.02
5.2.50.0270.03711.16
5.2.40.0200.04011.05
5.2.30.0200.03711.12
5.2.20.0200.04711.09
5.2.10.0100.04710.86
5.2.00.0170.04010.70
5.1.60.0130.03710.05
5.1.50.0130.0439.98
5.1.40.0200.02710.09
5.1.30.0170.04310.36
5.1.20.0230.03710.39
5.1.10.0200.04710.04
5.1.00.0130.04010.09
5.0.50.0170.0238.63
5.0.40.0000.0378.53
5.0.30.0130.0578.28
5.0.20.0030.0338.28
5.0.10.0070.0308.19
5.0.00.0100.0408.25
4.4.90.0100.0205.83
4.4.80.0030.0305.88
4.4.70.0100.0205.89
4.4.60.0030.0275.89
4.4.50.0030.0235.91
4.4.40.0070.0375.89
4.4.30.0130.0205.85
4.4.20.0100.0205.96
4.4.10.0100.0305.95
4.4.00.0130.0405.91
4.3.110.0070.0235.78
4.3.100.0030.0235.85
4.3.90.0100.0275.80
4.3.80.0070.0435.77
4.3.70.0070.0305.91
4.3.60.0030.0335.78
4.3.50.0100.0235.82
4.3.40.0070.0375.73
4.3.30.0000.0274.67
4.3.20.0030.0234.51
4.3.10.0070.0204.54
4.3.00.0330.02314.62

preferences:
40.95 ms | 400 KiB | 5 Q