3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( '' => 'foo', '' => 'bar', ); var_dump($array);

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)
8.3.40.0040.01118.45
8.3.30.0000.01418.55
8.3.20.0000.00818.58
8.3.10.0080.00020.53
8.3.00.0070.00417.46
8.2.170.0070.01422.96
8.2.160.0070.00720.93
8.2.150.0030.00624.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00019.83
8.2.110.0000.00920.93
8.2.100.0090.00317.66
8.2.90.0000.01119.39
8.2.80.0070.00019.28
8.2.70.0000.00817.50
8.2.60.0060.00317.80
8.2.50.0080.00018.07
8.2.40.0060.00317.92
8.2.30.0040.00417.98
8.2.20.0080.00017.61
8.2.10.0000.00817.47
8.2.00.0030.00517.71
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0100.00022.50
8.1.230.0030.00920.84
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00417.40
8.1.180.0040.00418.10
8.1.170.0030.00618.97
8.1.160.0080.00018.72
8.1.150.0000.00818.60
8.1.140.0000.00917.38
8.1.130.0030.00517.81
8.1.120.0040.00417.45
8.1.110.0020.00517.28
8.1.100.0080.00017.24
8.1.90.0000.00717.27
8.1.80.0070.00017.27
8.1.70.0000.00817.36
8.1.60.0030.00617.39
8.1.50.0090.00017.37
8.1.40.0070.00017.33
8.1.30.0000.00717.57
8.1.20.0060.00317.52
8.1.10.0030.00517.45
8.1.00.0000.00717.36
8.0.300.0000.00719.91
8.0.290.0040.00416.58
8.0.280.0030.00318.42
8.0.270.0070.00017.04
8.0.260.0030.00316.71
8.0.250.0050.00216.90
8.0.240.0050.00316.87
8.0.230.0000.00716.79
8.0.220.0000.00716.88
8.0.210.0030.00316.79
8.0.200.0000.00816.76
8.0.190.0070.00016.79
8.0.180.0000.00716.83
8.0.170.0000.00716.71
8.0.160.0030.00316.88
8.0.150.0000.00816.76
8.0.140.0060.00316.71
8.0.130.0060.00013.23
8.0.120.0040.00416.75
8.0.110.0030.00516.68
8.0.100.0040.00416.85
8.0.90.0000.00716.69
8.0.80.0070.00716.84
8.0.70.0070.00016.88
8.0.60.0040.00416.84
8.0.50.0050.00216.75
8.0.30.0110.01016.96
8.0.20.0070.01016.85
8.0.10.0040.00416.73
8.0.00.0140.00316.54
7.4.330.0000.00412.90
7.4.320.0030.00316.43
7.4.300.0030.00316.52
7.4.290.0000.00916.34
7.4.280.0050.00516.41
7.4.270.0030.00316.39
7.4.260.0030.00313.19
7.4.250.0080.00016.33
7.4.240.0070.00016.52
7.4.230.0070.00016.53
7.4.220.0120.00616.55
7.4.210.0070.00816.50
7.4.200.0080.00016.59
7.4.190.0000.00716.32
7.4.160.0060.01216.50
7.4.150.0110.00716.29
7.4.140.0060.01116.44
7.4.130.0110.00516.32
7.4.120.0110.00716.44
7.4.110.0100.00616.29
7.4.100.0100.01016.53
7.4.90.0150.00316.37
7.4.80.0120.00616.34
7.4.70.0100.00616.41
7.4.60.0090.01816.49
7.4.50.0030.00616.20
7.4.40.0030.00716.20
7.4.30.0120.00316.30
7.4.10.0110.00714.76
7.4.00.0070.01014.88
7.3.330.0030.00313.00
7.3.320.0050.00012.97
7.3.310.0000.00716.20
7.3.300.0030.00316.14
7.3.290.0030.01116.16
7.3.280.0080.00716.09
7.3.270.0090.01616.08
7.3.260.0070.01016.26
7.3.250.0110.01016.27
7.3.240.0110.00616.33
7.3.230.0080.01616.39
7.3.210.0030.01316.10
7.3.200.0130.00719.39
7.3.190.0100.01016.39
7.3.180.0100.00716.10
7.3.170.0100.00716.18
7.3.160.0090.00616.10
7.3.130.0050.01114.59
7.3.120.0080.00814.61
7.3.110.0050.01214.57
7.3.100.0050.00914.62
7.3.90.0080.00714.69
7.3.80.0080.00214.78
7.3.70.0090.00414.56
7.3.60.0070.00814.72
7.3.50.0070.00914.53
7.3.40.0050.00914.66
7.3.30.0060.00614.74
7.3.20.0070.00716.62
7.3.10.0030.01116.38
7.3.00.0020.01416.59
7.2.330.0120.00616.32
7.2.320.0090.00916.54
7.2.310.0110.01116.52
7.2.300.0190.00416.53
7.2.290.0110.01116.38
7.2.260.0050.01114.63
7.2.250.0070.00914.89
7.2.240.0000.01414.86
7.2.230.0080.01214.86
7.2.220.0050.01214.65
7.2.210.0060.00814.93
7.2.200.0060.00814.90
7.2.190.0040.01414.83
7.2.180.0070.00714.72
7.2.170.0050.00814.94
7.2.160.0060.00914.88
7.2.150.0000.01716.82
7.2.140.0130.00016.90
7.2.130.0090.00716.62
7.2.120.0050.00916.61
7.2.110.0030.00816.60
7.2.100.0080.00616.69
7.2.90.0070.00516.71
7.2.80.0070.00716.78
7.2.70.0050.00916.63
7.2.60.0050.00816.83
7.2.50.0090.00616.56
7.2.40.0090.00616.60
7.2.30.0070.00816.66
7.2.20.0060.00716.60
7.2.10.0080.00616.59
7.2.00.0030.01117.56
7.1.330.0100.00315.59
7.1.320.0040.01115.71
7.1.310.0050.00815.92
7.1.300.0050.00915.76
7.1.290.0070.00515.50
7.1.280.0010.01115.69
7.1.270.0100.00415.84
7.1.260.0050.00515.58
7.1.250.0060.00615.75
7.1.240.0020.00815.81
7.1.230.0030.00815.78
7.1.220.0080.00515.65
7.1.210.0020.01115.72
7.1.200.0040.00915.78
7.1.190.0070.00315.80
7.1.180.0030.01015.64
7.1.170.0020.01015.57
7.1.160.0070.00515.75
7.1.150.0060.00515.86
7.1.140.0030.00815.75
7.1.130.0080.00415.74
7.1.120.0010.00915.73
7.1.110.0040.00915.77
7.1.100.0030.00916.62
7.1.90.0080.00515.77
7.1.80.0030.01115.60
7.1.70.0030.01016.26
7.1.60.0050.01216.95
7.1.50.0080.00816.14
7.1.40.0030.00915.81
7.1.30.0070.00615.78
7.1.20.0080.00115.71
7.1.10.0050.00615.58
7.1.00.0070.02617.82
7.0.330.0050.00715.35
7.0.320.0060.00815.42
7.0.310.0050.00715.29
7.0.300.0080.00215.48
7.0.290.0030.01015.05
7.0.280.0090.00215.43
7.0.270.0030.00815.23
7.0.260.0060.00615.08
7.0.250.0050.00515.38
7.0.240.0060.00315.41
7.0.230.0060.00715.24
7.0.220.0030.00815.13
7.0.210.0030.00815.49
7.0.200.0060.00415.81
7.0.190.0060.00615.37
7.0.180.0090.00415.34
7.0.170.0010.00715.41
7.0.160.0030.00715.34
7.0.150.0050.00515.25
7.0.140.0030.03117.51
7.0.130.0050.00415.31
7.0.120.0060.02517.64
7.0.110.0030.00815.17
7.0.100.0030.01215.43
7.0.90.0070.00715.22
7.0.80.0070.00615.37
7.0.70.0030.00915.39
7.0.60.0040.02016.84
7.0.50.0080.02516.22
7.0.40.0080.02515.61
7.0.30.0240.02015.71
7.0.20.0130.02015.68
7.0.10.0020.03415.61
7.0.00.0070.01915.66
5.6.400.0050.00714.15
5.6.390.0030.01114.10
5.6.380.0050.00814.21
5.6.370.0020.00913.85
5.6.360.0040.00613.97
5.6.350.0080.00714.22
5.6.340.0060.00514.21
5.6.330.0060.00614.06
5.6.320.0060.00414.15
5.6.310.0040.01014.35
5.6.300.0080.00514.36
5.6.290.0050.00814.21
5.6.280.0040.02916.61
5.6.270.0050.00714.26
5.6.260.0080.00614.20
5.6.250.0080.01014.41
5.6.240.0060.01114.00
5.6.230.0050.00814.23
5.6.220.0060.00614.32
5.6.210.0060.01716.26
5.6.200.0060.03015.57
5.6.190.0080.02516.28
5.6.180.0110.02516.19
5.6.170.0130.03016.22
5.6.160.0080.01916.20
5.6.150.0060.02015.60
5.6.140.0060.02215.50
5.6.130.0090.03015.48
5.6.120.0050.03216.52
5.6.110.0050.03116.39
5.6.100.0090.03116.29
5.6.90.0060.01816.42
5.6.80.0030.02216.20
5.6.70.0920.01716.17
5.6.60.0060.00813.98
5.6.50.0080.00614.15
5.6.40.0050.00714.34
5.6.30.0030.01214.34
5.6.20.0070.00714.08
5.6.10.0040.01214.00
5.6.00.0040.00914.28
5.5.380.0030.01214.15
5.5.370.0040.01014.17
5.5.360.0030.00814.24
5.5.350.0070.02016.21
5.5.340.0070.02315.26
5.5.330.0060.03216.06
5.5.320.0080.03316.17
5.5.310.0150.03016.12
5.5.300.0120.01715.36
5.5.290.0050.03015.47
5.5.280.0090.01616.40
5.5.270.0100.02716.29
5.5.260.0050.02016.51
5.5.250.0040.01916.42
5.5.240.0090.03016.15
5.5.230.0050.00714.08
5.5.220.0070.00814.03
5.5.210.0080.00414.25
5.5.200.0050.00514.17
5.5.190.0030.00714.05
5.5.180.0100.00313.93
5.5.170.0090.00414.11
5.5.160.0080.00314.26
5.5.150.0100.00214.03
5.5.140.0050.00714.14
5.5.130.0060.00614.20
5.5.120.0100.00514.21
5.5.110.0060.00614.22
5.5.100.0030.01014.11
5.5.90.0050.00513.86
5.5.80.0090.00213.95
5.5.70.0050.00613.96
5.5.60.0060.00714.02
5.5.50.0050.00814.08
5.5.40.0080.00513.91
5.5.30.0060.00913.97
5.5.20.0110.00414.17
5.5.10.0020.00714.12
5.5.00.0030.01013.94
5.4.450.0050.01614.15
5.4.440.0050.03114.24
5.4.430.0040.02614.24
5.4.420.0080.02514.15
5.4.410.0060.03114.14
5.4.400.0060.02214.08
5.4.390.0050.02414.14
5.4.380.0070.02314.13
5.4.370.0050.02114.04
5.4.360.0030.02614.11
5.4.350.0050.02914.17
5.4.340.0020.02414.17
5.4.330.0080.00611.66
5.4.320.0060.01914.12
5.4.310.0060.02114.14
5.4.300.0010.03514.17
5.4.290.0050.02114.04
5.4.280.0070.02814.17
5.4.270.0040.02914.04
5.4.260.0030.02814.17
5.4.250.0050.01914.17
5.4.240.0050.02614.15
5.4.230.0020.02514.15
5.4.220.0050.03114.16
5.4.210.0080.02514.08
5.4.200.0060.02414.13
5.4.190.0030.02114.16
5.4.180.0040.02814.13
5.4.170.0050.02214.06
5.4.160.0020.01914.07
5.4.150.0030.03014.04
5.4.140.0030.02913.18
5.4.130.0070.02413.19
5.4.120.0070.01813.17
5.4.110.0080.02513.17
5.4.100.0070.02913.19
5.4.90.0030.02113.20
5.4.80.0040.02413.22
5.4.70.0040.01913.18
5.4.60.0040.01813.20
5.4.50.0060.01513.19
5.4.40.0050.02413.22
5.4.30.0020.02213.23
5.4.20.0030.02313.30
5.4.10.0040.02913.24
5.4.00.0040.02913.01
5.3.290.0050.02012.61
5.3.280.0030.03012.61
5.3.270.0070.02712.60
5.3.260.0060.02712.62
5.3.250.0050.02212.57
5.3.240.0060.02412.63
5.3.230.0040.02812.60
5.3.220.0030.01812.61
5.3.210.0070.02712.62
5.3.200.0080.02112.61
5.3.190.0030.01812.61
5.3.180.0040.03012.61
5.3.170.0040.02812.60
5.3.160.0080.02512.60
5.3.150.0020.01712.66
5.3.140.0040.02412.61
5.3.130.0060.02912.60
5.3.120.0050.01712.60
5.3.110.0030.02012.56
5.3.100.0020.03112.43
5.3.90.0070.02712.42
5.3.80.0080.02612.38
5.3.70.0070.02112.42
5.3.60.0050.01712.45
5.3.50.0100.01312.35
5.3.40.0050.02812.40
5.3.30.0030.03112.39
5.3.20.0050.02812.37
5.3.10.0050.02712.26
5.3.00.0030.02112.31
5.2.170.0100.02711.13
5.2.160.0200.05011.02
5.2.150.0070.03711.00
5.2.140.0070.06711.10
5.2.130.0100.04710.92
5.2.120.0000.04010.97
5.2.110.0030.05311.06
5.2.100.0030.05710.92
5.2.90.0130.05311.09
5.2.80.0130.05711.02
5.2.70.0030.06010.97
5.2.60.0030.04710.98
5.2.50.0000.06711.03
5.2.40.0030.06710.89
5.2.30.0070.05710.85
5.2.20.0100.02310.89
5.2.10.0070.05710.81
5.2.00.0000.04310.66
5.1.60.0070.0479.89
5.1.50.0030.02310.03
5.1.40.0030.0239.96
5.1.30.0030.02710.22
5.1.20.0000.02710.33
5.1.10.0070.02010.07
5.1.00.0000.02710.04
5.0.50.0030.0208.51
5.0.40.0070.0138.30
5.0.30.0000.0378.27
5.0.20.0070.0138.24
5.0.10.0030.0178.16
5.0.00.0000.0308.15
4.4.90.0030.0337.92
4.4.80.0000.0377.92
4.4.70.0000.0377.92
4.4.60.0000.0277.92
4.4.50.0000.0337.92
4.4.40.0000.0307.92
4.4.30.0000.0177.92
4.4.20.0000.0177.92
4.4.10.0000.0177.92
4.4.00.0070.0207.92
4.3.110.0000.0177.92
4.3.100.0000.0137.92
4.3.90.0000.0137.92
4.3.80.0030.0207.92
4.3.70.0030.0107.92
4.3.60.0000.0137.92
4.3.50.0000.0177.92
4.3.40.0000.0237.92
4.3.30.0000.0137.92
4.3.20.0000.0177.92
4.3.10.0000.0177.92
4.3.00.0000.0137.92

preferences:
47.68 ms | 400 KiB | 5 Q