3v4l.org

run code in 300+ PHP versions simultaneously
<?php $w = array(chr(0) => 'null byte?', chr(rand(0, 255)) => 'random byte?'); var_dump($w);

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)
8.2.60.0150.00417.25
8.2.50.0120.00617.38
8.2.40.0170.00017.37
8.2.30.0110.00517.25
8.2.20.0050.00317.63
8.2.10.0110.00517.38
8.2.00.0000.01717.00
8.1.190.0140.00516.88
8.1.180.0110.00716.63
8.1.170.0110.00717.00
8.1.160.0200.00016.97
8.1.150.0120.00417.00
8.1.140.0140.00317.13
8.1.130.0100.00717.13
8.1.120.0080.00817.13
8.1.110.0060.01017.25
8.1.100.0110.00717.00
8.1.90.0150.00317.34
8.1.80.0140.00517.25
8.1.70.0170.00017.23
8.1.60.0160.00317.25
8.1.50.0060.01217.09
8.1.40.0190.00017.00
8.1.30.0130.00517.38
8.1.20.0130.00717.38
8.1.10.0060.01217.00
8.1.00.0150.00317.34
8.0.280.0130.00316.52
8.0.270.0130.00616.52
8.0.260.0080.00816.52
8.0.250.0130.00316.52
8.0.240.0130.00316.52
8.0.230.0110.00616.75
8.0.220.0130.00616.52
8.0.210.0050.01016.63
8.0.200.0100.00616.52
8.0.190.0080.00816.52
8.0.180.0080.00816.63
8.0.170.0160.00016.52
8.0.160.0130.00316.63
8.0.150.0170.00016.52
8.0.140.0080.00816.52
8.0.130.0100.00516.52
8.0.120.0110.00516.52
8.0.110.0080.00816.52
8.0.100.0170.00016.52
8.0.90.0130.00316.52
8.0.80.0140.00316.52
8.0.70.0120.00416.52
8.0.60.0100.00516.52
8.0.50.0180.00016.63
8.0.30.0180.00416.52
8.0.20.0130.00416.63
8.0.10.0130.00216.52
8.0.00.0100.00916.63
7.4.330.0130.00016.52
7.4.320.0150.00416.52
7.4.300.0050.01116.52
7.4.290.0140.00316.52
7.4.280.0150.00316.52
7.4.270.0160.00016.52
7.4.260.0130.00316.52
7.4.250.0100.00516.52
7.4.240.0130.00216.52
7.4.230.0090.00616.52
7.4.220.0000.01616.52
7.4.210.0120.00316.52
7.4.200.0120.00316.52
7.4.190.0110.00416.52
7.4.180.0000.01616.52
7.4.160.0070.00716.52
7.4.150.0100.00516.52
7.4.140.0120.00416.52
7.4.130.0130.00716.39
7.4.120.0120.00516.41
7.4.110.0090.00716.41
7.4.100.0120.00516.51
7.4.90.0160.00316.49
7.4.80.0130.00316.47
7.4.70.0120.00816.44
7.4.60.0110.00816.41
7.4.50.0100.00616.41
7.4.40.0070.01216.52
7.4.30.0090.00816.47
7.4.20.0130.00616.41
7.4.10.0090.00816.43
7.4.00.0070.00916.39
7.3.330.0140.00016.52
7.3.320.0120.00216.52
7.3.310.0140.00016.52
7.3.300.0150.00016.52
7.3.290.0070.00716.52
7.3.280.0110.00416.52
7.3.270.0140.00016.52
7.3.260.0070.00716.52
7.3.250.0150.00416.43
7.3.240.0090.00816.34
7.3.230.0080.00716.40
7.3.220.0140.00616.47
7.3.210.0130.00316.34
7.3.200.0110.00616.36
7.3.190.0130.00616.49
7.3.180.0100.00916.40
7.3.170.0130.00716.39
7.3.160.0120.00616.45
7.3.150.0130.00516.43
7.3.140.0160.00216.35
7.3.130.0100.00616.32
7.3.120.0140.00316.38
7.3.110.0090.00915.89
7.3.100.0080.00815.87
7.3.90.0110.00415.84
7.3.80.0110.00515.81
7.3.70.0070.01015.79
7.3.60.0090.00715.68
7.3.50.0090.00615.76
7.3.40.0130.00415.76
7.3.30.0050.01015.75
7.3.20.0110.00716.35
7.3.10.0110.00616.26
7.3.00.0080.01316.12
7.2.340.0090.00916.49
7.2.330.0140.00616.51
7.2.320.0110.00916.36
7.2.310.0090.00616.41
7.2.300.0110.00916.53
7.2.290.0070.01016.49
7.2.280.0150.00116.52
7.2.270.0100.01016.45
7.2.260.0120.00516.58
7.2.250.0090.00616.51
7.2.240.0110.00715.92
7.2.230.0100.00716.01
7.2.220.0100.00615.76
7.2.210.0110.00715.95
7.2.200.0140.00215.95
7.2.190.0090.00915.80
7.2.180.0120.00415.87
7.2.170.0080.00715.84
7.2.160.0090.00815.90
7.2.150.0110.00816.33
7.2.140.0120.00716.25
7.2.130.0080.01116.42
7.2.120.0100.00716.27
7.2.110.0100.00616.43
7.2.100.0110.00516.40
7.2.90.0120.00716.37
7.2.80.0080.01116.51
7.2.70.0090.01116.47
7.2.60.0120.00616.54
7.2.50.0110.00716.37
7.2.40.0110.00616.31
7.2.30.0100.00816.59
7.2.20.0110.00816.39
7.2.10.0070.00916.37
7.2.00.0090.00817.13
7.1.330.0110.00715.40
7.1.320.0110.00615.40
7.1.310.0090.00715.36
7.1.300.0100.00615.39
7.1.290.0080.00715.44
7.1.280.0110.00515.42
7.1.270.0090.00715.33
7.1.260.0080.00815.41
7.1.250.0100.00615.33
7.1.240.0090.00715.32
7.1.230.0080.00715.44
7.1.220.0080.00715.44
7.1.210.0100.00715.46
7.1.200.0050.01015.50
7.1.190.0130.00415.38
7.1.180.0080.01015.45
7.1.170.0080.00915.36
7.1.160.0090.00615.44
7.1.150.0110.00615.31
7.1.140.0070.00815.45
7.1.130.0120.00515.27
7.1.120.0060.01015.21
7.1.110.0090.00715.40
7.1.100.0120.00415.38
7.1.90.0150.00315.43
7.1.80.0090.00915.33
7.1.70.0120.00315.71
7.1.60.0140.00816.41
7.1.50.0090.00915.81
7.1.40.0100.00615.39
7.1.30.0140.00315.39
7.1.20.0080.00815.40
7.1.10.0110.00515.27
7.1.00.0080.02517.11
7.0.330.0130.00615.06
7.0.320.0080.00914.93
7.0.310.0100.00615.05
7.0.300.0080.01015.08
7.0.290.0100.00915.15
7.0.280.0070.00815.07
7.0.270.0090.00815.00
7.0.260.0120.00615.05
7.0.250.0070.00914.95
7.0.240.0110.00614.93
7.0.230.0110.00615.04
7.0.220.0140.00315.00
7.0.210.0100.00515.12
7.0.200.0070.00615.45
7.0.190.0090.00714.84
7.0.180.0130.00415.07
7.0.170.0130.00415.01
7.0.160.0080.00914.99
7.0.150.0090.00815.06
7.0.140.0120.00515.02
7.0.130.0120.00515.09
7.0.120.0230.00614.99
7.0.110.0080.01015.04
7.0.100.0090.02216.23
7.0.90.0090.02616.23
7.0.80.0100.01416.22
7.0.70.0110.02416.17
7.0.60.0120.02316.29
7.0.50.0120.02616.40
7.0.40.0100.02216.34
7.0.30.0100.02416.29
7.0.20.0090.01716.16
7.0.10.0110.01516.39
7.0.00.0120.01916.32
5.6.400.0110.00515.42
5.6.390.0120.00615.45
5.6.380.0100.00715.59
5.6.370.0110.01015.51
5.6.360.0100.01015.41
5.6.350.0150.00415.47
5.6.340.0140.00415.31
5.6.330.0090.01215.48
5.6.320.0110.00915.33
5.6.310.0120.00815.45
5.6.300.0120.00815.43
5.6.290.0110.00815.58
5.6.280.0130.00515.45
5.6.270.0150.00415.43
5.6.260.0090.01015.54
5.6.250.0100.02816.73
5.6.240.0110.02516.70
5.6.230.0150.02116.72
5.6.220.0120.02616.69
5.6.210.0130.01616.70
5.6.200.0120.02616.83
5.6.190.0080.02816.83
5.6.180.0100.02016.85
5.6.170.0100.02516.70
5.6.160.0120.02016.79
5.6.150.0120.02516.78
5.6.140.0110.02316.84
5.6.130.0100.02616.84
5.6.120.0090.03116.78
5.6.110.0090.02816.82
5.6.100.0130.02516.85
5.6.90.0080.02916.79
5.6.80.0090.03216.55
5.6.70.0110.02616.61
5.6.60.0100.02616.68
5.6.50.0130.02116.60
5.6.40.0120.02316.66
5.6.30.0110.01716.68
5.6.20.0130.02416.65
5.6.10.0140.02316.61
5.6.00.0080.02816.54
5.5.380.0070.02216.67
5.5.370.0140.02416.67
5.5.360.0110.02816.62
5.5.350.0170.02016.70
5.5.340.0090.03016.67
5.5.330.0120.02816.67
5.5.320.0110.02516.76
5.5.310.0110.02716.68
5.5.300.0150.01716.83
5.5.290.0160.02316.76
5.5.280.0150.01816.77
5.5.270.0130.02716.74
5.5.260.0140.02416.80
5.5.250.0080.02116.64
5.5.240.0120.01716.58
5.5.230.0090.02816.58
5.5.220.0120.02216.58
5.5.210.0120.02416.60
5.5.200.0130.02416.56
5.5.190.0130.02616.62
5.5.180.0110.02016.59
5.5.170.0120.01015.29
5.5.160.0160.02116.63
5.5.150.0110.02716.54
5.5.140.0170.02016.52
5.5.130.0120.02016.66
5.5.120.0110.02016.64
5.5.110.0150.02316.53
5.5.100.0140.01816.53
5.5.90.0130.02316.62
5.5.80.0110.02416.61
5.5.70.0130.02516.58
5.5.60.0130.01716.38
5.5.50.0110.02416.53
5.5.40.0130.02416.44
5.5.30.0050.03216.53
5.5.20.0150.02016.39
5.5.10.0160.01616.58
5.5.00.0130.02116.51
5.4.450.0100.02314.74
5.4.440.0090.02614.79
5.4.430.0130.02214.84
5.4.420.0110.02214.89
5.4.410.0110.02114.75
5.4.400.0140.01914.73
5.4.390.0130.02114.64
5.4.380.0130.01414.73
5.4.370.0080.02514.75
5.4.360.0100.01414.73
5.4.350.0100.01614.64
5.4.340.0120.02114.63
5.4.330.0120.00713.27
5.4.320.0110.01614.74
5.4.310.0120.02014.70
5.4.300.0100.02214.59
5.4.290.0120.02214.72
5.4.280.0110.02214.71
5.4.270.0100.02114.56
5.4.260.0100.02214.74
5.4.250.0120.01614.66
5.4.240.0110.02214.62
5.4.230.0130.01914.67
5.4.220.0110.02414.69
5.4.210.0120.01714.63
5.4.200.0090.02414.66
5.4.190.0120.02314.65
5.4.180.0110.02414.78
5.4.170.0080.02714.67
5.4.160.0130.02014.64
5.4.150.0110.02314.77
5.4.140.0130.02214.11
5.4.130.0100.02314.04
5.4.120.0130.02014.02
5.4.110.0110.02214.02
5.4.100.0090.02414.05
5.4.90.0090.02313.99
5.4.80.0130.02313.94
5.4.70.0090.02414.06
5.4.60.0070.02314.04
5.4.50.0070.02314.05
5.4.40.0100.01414.04
5.4.30.0090.02114.02
5.4.20.0100.02114.07
5.4.10.0110.02013.98
5.4.00.0130.02213.87

preferences:
62.79 ms | 401 KiB | 5 Q