3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("a","b","c"); echo "this is " . $array[3] . "<br />"; echo empty($array[3]). "<br />"; echo empty($array[2]). "<br />";

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)
8.3.40.0080.00618.67
8.3.30.0070.00719.04
8.3.20.0060.00320.22
8.3.10.0040.00421.95
8.3.00.0040.00420.61
8.2.170.0110.00722.96
8.2.160.0100.00320.90
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.01117.75
8.2.110.0080.00022.08
8.2.100.0060.00617.91
8.2.90.0040.00419.36
8.2.80.0050.00318.04
8.2.70.0080.00017.75
8.2.60.0040.00418.16
8.2.50.0050.00318.07
8.2.40.0040.00818.16
8.2.30.0070.00018.07
8.2.20.0040.00417.77
8.2.10.0060.00319.43
8.2.00.0050.00317.70
8.1.270.0000.00722.23
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0030.00723.75
8.1.230.0100.00019.07
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00917.13
8.1.190.0030.00517.25
8.1.180.0000.00918.10
8.1.170.0110.00018.39
8.1.160.0030.00521.87
8.1.150.0050.00218.58
8.1.140.0050.00317.39
8.1.130.0000.00817.81
8.1.120.0040.00417.32
8.1.110.0070.00017.45
8.1.100.0000.00717.43
8.1.90.0000.00717.31
8.1.80.0000.00817.30
8.1.70.0040.00417.34
8.1.60.0030.00617.51
8.1.50.0040.00417.51
8.1.40.0040.00417.52
8.1.30.0050.00317.68
8.1.20.0060.00317.52
8.1.10.0000.00717.53
8.1.00.0030.00517.51
8.0.300.0030.00418.77
8.0.290.0030.00317.16
8.0.280.0030.00318.31
8.0.270.0070.00017.18
8.0.260.0000.00716.74
8.0.250.0030.00317.05
8.0.240.0070.00017.04
8.0.230.0080.00017.02
8.0.220.0000.00716.95
8.0.210.0030.00316.94
8.0.200.0030.00316.99
8.0.190.0040.00416.96
8.0.180.0040.00417.02
8.0.170.0000.00816.86
8.0.160.0040.00416.90
8.0.150.0040.00416.98
8.0.140.0040.00416.80
8.0.130.0030.00313.39
8.0.120.0040.00416.91
8.0.110.0000.00716.76
8.0.100.0040.00416.90
8.0.90.0050.00216.97
8.0.80.0040.01516.97
8.0.70.0070.00016.77
8.0.60.0000.00716.93
8.0.50.0040.00416.80
8.0.30.0100.01017.05
8.0.20.0130.00617.40
8.0.10.0050.00317.06
8.0.00.0120.00616.72
7.4.330.0000.00515.02
7.4.320.0030.00316.53
7.4.300.0060.00316.53
7.4.290.0030.00616.37
7.4.280.0000.00716.53
7.4.270.0030.00316.44
7.4.260.0040.00416.55
7.4.250.0040.00416.36
7.4.240.0010.00616.39
7.4.230.0050.00216.50
7.4.220.0120.00616.38
7.4.210.0060.00816.49
7.4.200.0070.00016.50
7.4.190.0040.00416.43
7.4.160.0150.00016.47
7.4.150.0030.01717.40
7.4.140.0120.00817.86
7.4.130.0130.00816.53
7.4.120.0130.00516.54
7.4.110.0130.01016.41
7.4.100.0100.00716.72
7.4.90.0130.00416.45
7.4.80.0170.00019.39
7.4.70.0090.01516.40
7.4.60.0080.00816.73
7.4.50.0020.00216.32
7.4.40.0030.01222.77
7.4.30.0100.00716.58
7.4.10.0070.01115.11
7.4.00.0120.00714.87
7.3.330.0030.00313.11
7.3.320.0050.00013.11
7.3.310.0070.00016.37
7.3.300.0060.00016.27
7.3.290.0110.00416.26
7.3.280.0100.00816.35
7.3.270.0100.00517.40
7.3.260.0100.00716.31
7.3.250.0160.00516.45
7.3.240.0100.00716.46
7.3.230.0090.00916.39
7.3.210.0040.01216.41
7.3.200.0080.00819.39
7.3.190.0100.01216.33
7.3.180.0040.01216.56
7.3.170.0030.01316.41
7.3.160.0000.01416.43
7.3.130.0060.01214.66
7.3.120.0080.00814.93
7.3.110.0070.01114.78
7.3.100.0040.01014.91
7.3.90.0050.00614.73
7.3.80.0050.01214.80
7.3.70.0050.00714.78
7.3.60.0030.00914.79
7.3.50.0050.01014.62
7.3.40.0060.00614.60
7.3.30.0050.00614.67
7.3.20.0030.00916.62
7.3.10.0050.00516.38
7.3.00.0040.01016.58
7.2.330.0030.01516.71
7.2.320.0030.01516.80
7.2.310.0100.00716.75
7.2.300.0030.01416.44
7.2.290.0100.00716.55
7.2.260.0130.00714.91
7.2.250.0120.00414.97
7.2.240.0090.00814.87
7.2.230.0060.00915.10
7.2.220.0030.01315.13
7.2.210.0010.01115.06
7.2.200.0070.00715.01
7.2.190.0090.00815.03
7.2.180.0030.01315.10
7.2.170.0090.00515.07
7.2.160.0080.00614.84
7.2.150.0040.00816.75
7.2.140.0070.00716.77
7.2.130.0060.00916.93
7.2.120.0020.00916.72
7.2.110.0080.00816.89
7.2.100.0080.00316.96
7.2.90.0060.00516.87
7.2.80.0090.00716.85
7.2.70.0070.00517.02
7.2.60.0050.00716.90
7.2.50.0030.01016.88
7.2.40.0080.00617.07
7.2.30.0070.00817.01
7.2.20.0060.00416.90
7.2.10.0050.00716.91
7.2.00.0030.00717.56
7.1.330.0020.01115.77
7.1.320.0090.00615.86
7.1.310.0040.01115.79
7.1.300.0050.00815.61
7.1.290.0050.00815.71
7.1.280.0030.00815.66
7.1.270.0030.01015.90
7.1.260.0040.00815.68
7.1.250.0050.00815.62
7.1.240.0000.01415.79
7.1.230.0040.01115.52
7.1.220.0040.00815.74
7.1.210.0090.00915.55
7.1.200.0030.01015.55
7.1.190.0060.00615.82
7.1.180.0000.00815.73
7.1.170.0070.00715.70
7.1.160.0040.00915.75
7.1.150.0070.00315.77
7.1.140.0000.01315.86
7.1.130.0070.01015.85
7.1.120.0030.01015.87
7.1.110.0060.00615.81
7.1.100.0080.00516.83
7.1.90.0090.00615.91
7.1.80.0060.00315.85
7.1.70.0070.00816.17
7.1.60.0080.01217.69
7.1.50.0080.00516.44
7.1.40.0030.00615.76
7.1.30.0160.00015.41
7.1.20.0030.01015.35
7.1.10.0040.01315.69
7.1.00.0020.04519.26
7.0.330.0030.00615.27
7.0.320.0040.00715.25
7.0.310.0030.00715.39
7.0.300.0060.00315.54
7.0.290.0060.00315.29
7.0.280.0070.00715.02
7.0.270.0100.00015.42
7.0.260.0110.00415.37
7.0.250.0100.00315.55
7.0.240.0030.01015.45
7.0.230.0120.00315.30
7.0.220.0070.00715.35
7.0.210.0030.00715.55
7.0.200.0050.00816.03
7.0.190.0030.01015.06
7.0.180.0000.00815.04
7.0.170.0090.00315.35
7.0.160.0100.00615.43
7.0.150.0080.00415.30
7.0.140.0040.04018.61
7.0.130.0030.01015.24
7.0.120.0050.01818.72
7.0.110.0030.02518.74
7.0.100.0030.02718.77
7.0.90.0080.02718.85
7.0.80.0080.03318.74
7.0.70.0020.03418.58
7.0.60.0070.03018.63
7.0.50.0020.03218.75
7.0.40.0000.04317.66
7.0.30.0040.03217.62
7.0.20.0030.02117.75
7.0.10.0000.02617.71
7.0.00.0000.03317.80
5.6.400.0070.00414.31
5.6.390.0040.00814.64
5.6.380.0000.00914.30
5.6.370.0040.00814.19
5.6.360.0110.00414.45
5.6.350.0030.01014.47
5.6.340.0040.00714.68
5.6.330.0070.00714.58
5.6.320.0030.00614.38
5.6.310.0040.01114.72
5.6.300.0110.00314.20
5.6.290.0070.00714.39
5.6.280.0060.03817.67
5.6.270.0030.00614.38
5.6.260.0020.03717.78
5.6.250.0050.04117.62
5.6.240.0000.04017.78
5.6.230.0060.03717.69
5.6.220.0050.03617.80
5.6.210.0050.03817.45
5.6.200.0070.03817.45
5.6.190.0070.04517.62
5.6.180.0030.02217.68
5.6.170.0050.02517.70
5.6.160.0050.03417.59
5.6.150.0020.04317.72
5.6.140.0050.03817.70
5.6.130.0020.02417.78
5.6.120.0070.03717.68
5.6.110.0030.03717.58
5.6.100.0000.03017.90
5.6.90.0000.02317.49
5.6.80.0040.02717.26
5.6.70.0030.04217.47
5.6.60.0050.03717.31
5.6.50.0070.03117.11
5.6.40.0000.03117.38
5.6.30.0050.02017.31
5.6.20.0040.02417.32
5.6.10.0030.04117.31
5.6.00.0020.04117.25
5.5.380.0050.02715.79
5.5.370.0060.02115.92
5.5.360.0070.03315.95
5.5.350.0050.03516.02
5.5.340.0080.03816.15
5.5.330.0000.04116.25
5.5.320.0000.02816.06
5.5.310.0030.02916.20
5.5.300.0030.04016.01
5.5.290.0030.02816.19
5.5.280.0030.04315.86
5.5.270.0030.03816.06
5.5.260.0030.03816.06
5.5.250.0050.01715.84
5.5.240.0020.03216.00
5.5.230.0020.04015.68
5.5.220.0030.03915.65
5.5.210.0020.03615.88
5.5.200.0040.03015.83
5.5.190.0050.02015.65
5.5.180.0020.02315.64
5.5.170.0120.00314.44
5.5.160.0020.03515.94
5.5.150.0060.03615.86
5.5.140.0100.03315.80
5.5.130.0050.03715.95
5.5.120.0050.03915.70
5.5.110.0030.03015.86
5.5.100.0040.03415.60
5.5.90.0040.03015.79
5.5.80.0000.02915.79
5.5.70.0080.03615.72
5.5.60.0050.02215.73
5.5.50.0030.02315.64
5.5.40.0070.03015.62
5.5.30.0020.02515.76
5.5.20.0000.03215.77
5.5.10.0050.03815.76
5.5.00.0060.03815.53
5.4.450.0080.03615.16
5.4.440.0070.02715.31
5.4.430.0090.03315.01
5.4.420.0070.02415.25
5.4.410.0050.02815.28
5.4.400.0070.02514.95
5.4.390.0070.03715.03
5.4.380.0040.03214.76
5.4.370.0070.03115.01
5.4.360.0060.03215.01
5.4.350.0080.01714.94
5.4.340.0090.03515.15
5.4.330.0050.00911.02
5.4.320.0060.04014.84
5.4.310.0060.03515.07
5.4.300.0030.03514.82
5.4.290.0080.03414.97
5.4.280.0050.03114.91
5.4.270.0050.03614.84
5.4.260.0090.03514.94
5.4.250.0100.03214.88
5.4.240.0040.03914.94
5.4.230.0070.03015.11
5.4.220.0060.03815.07
5.4.210.0070.01814.85
5.4.200.0060.02215.07
5.4.190.0050.03815.04
5.4.180.0080.02014.92
5.4.170.0080.03015.11
5.4.160.0100.03314.92
5.4.150.0050.02814.88
5.4.140.0090.03213.75
5.4.130.0090.03313.60
5.4.120.0070.03513.60
5.4.110.0060.02613.67
5.4.100.0030.02813.64
5.4.90.0060.02713.85
5.4.80.0050.03813.76
5.4.70.0050.02213.74
5.4.60.0080.02513.69
5.4.50.0100.03013.67
5.4.40.0050.02713.73
5.4.30.0070.02113.60
5.4.20.0020.03413.74
5.4.10.0070.03413.57
5.4.00.0060.03013.36
5.3.290.0060.03612.53
5.3.280.0050.03712.42
5.3.270.0070.03812.42
5.3.260.0080.03312.46
5.3.250.0060.03612.54
5.3.240.0060.03712.51
5.3.230.0030.03312.53
5.3.220.0060.03612.45
5.3.210.0070.03812.50
5.3.200.0090.01512.45
5.3.190.0030.02312.53
5.3.180.0070.02912.43
5.3.170.0020.02612.50
5.3.160.0050.03112.55
5.3.150.0050.03812.46
5.3.140.0100.02012.46
5.3.130.0080.02812.40
5.3.120.0070.03012.47
5.3.110.0070.03712.53
5.3.100.0090.01812.20
5.3.90.0030.02812.18
5.3.80.0070.03112.13
5.3.70.0060.02412.13
5.3.60.0060.02612.10
5.3.50.0070.02712.10
5.3.40.0080.03512.14
5.3.30.0020.04012.17
5.3.20.0050.02512.02
5.3.10.0060.02111.98
5.3.00.0020.03711.91
5.2.170.0000.04311.09
5.2.160.0100.04011.15
5.2.150.0000.06011.07
5.2.140.0030.05311.06
5.2.130.0000.05011.16
5.2.120.0000.03311.01
5.2.110.0070.03311.17
5.2.100.0030.03711.00
5.2.90.0000.05311.02
5.2.80.0030.05011.00
5.2.70.0000.03711.09
5.2.60.0070.04710.94
5.2.50.0000.05010.94
5.2.40.0030.03010.89
5.2.30.0000.03711.13
5.2.20.0070.04310.87
5.2.10.0100.04310.84
5.2.00.0030.05310.84
5.1.60.0000.04010.15
5.1.50.0030.03010.15
5.1.40.0000.03310.15
5.1.30.0000.03010.32
5.1.20.0000.05010.43
5.1.10.0070.04010.31
5.1.00.0000.04710.15
5.0.50.0000.03710.15
5.0.40.0000.01710.15
5.0.30.0030.02310.15
5.0.20.0070.01010.15
5.0.10.0030.03710.15
5.0.00.0000.04310.15
4.4.90.0000.02310.15
4.4.80.0000.02310.15
4.4.70.0070.02010.15
4.4.60.0030.02010.15
4.4.50.0030.01310.15
4.4.40.0030.04710.15
4.4.30.0030.02310.15
4.4.20.0000.02310.15
4.4.10.0000.02010.15
4.4.00.0000.02310.15
4.3.110.0000.01310.15
4.3.100.0000.01310.15
4.3.90.0030.01710.15
4.3.80.0000.02310.15
4.3.70.0000.02310.15
4.3.60.0000.02010.15
4.3.50.0030.02310.15
4.3.40.0000.03710.15
4.3.30.0000.02310.15
4.3.20.0070.02010.15
4.3.10.0000.02010.15
4.3.00.0000.01710.15

preferences:
39.43 ms | 400 KiB | 5 Q