3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); echo empty($a['s']) ? 'e' : 'n' . "\n"; echo "Test notice: \n"; $a['s']; $a['s'] = '1'; echo empty($a['s']) ? 'e' : 'n' . "\n";

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)
8.3.60.0140.00018.43
8.3.50.0110.00822.00
8.3.40.0110.00718.77
8.3.30.0030.01019.27
8.3.20.0040.00420.20
8.3.10.0040.00420.65
8.3.00.0030.00519.38
8.2.180.0130.00916.88
8.2.170.0070.00722.96
8.2.160.0040.01620.52
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0080.00022.23
8.2.110.0030.00622.24
8.2.100.0120.00019.57
8.2.90.0030.00619.25
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0080.00018.03
8.2.50.0050.00318.07
8.2.40.0050.00218.16
8.2.30.0040.00419.34
8.2.20.0040.00417.80
8.2.10.0080.00017.93
8.2.00.0000.00717.83
8.1.280.0070.01425.92
8.1.270.0040.00421.90
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.92
8.1.230.0120.00019.15
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0040.00718.45
8.1.160.0070.00021.98
8.1.150.0000.00718.66
8.1.140.0000.00717.30
8.1.130.0030.00317.73
8.1.120.0070.00017.37
8.1.110.0000.00817.37
8.1.100.0000.00717.39
8.1.90.0040.00417.38
8.1.80.0040.00417.43
8.1.70.0000.00717.27
8.1.60.0060.00317.56
8.1.50.0090.00017.34
8.1.40.0040.00417.33
8.1.30.0040.00417.50
8.1.20.0040.00417.61
8.1.10.0000.00817.59
8.1.00.0040.00417.54
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0080.00018.37
8.0.270.0050.00217.20
8.0.260.0030.00317.16
8.0.250.0060.00016.91
8.0.240.0000.00717.05
8.0.230.0000.00716.82
8.0.220.0070.00016.88
8.0.210.0000.00716.87
8.0.200.0050.00216.99
8.0.190.0000.00716.89
8.0.180.0070.00016.94
8.0.170.0000.00816.93
8.0.160.0030.00316.86
8.0.150.0030.00316.85
8.0.140.0040.00716.81
8.0.130.0000.00513.32
8.0.120.0000.00816.89
8.0.110.0050.00216.72
8.0.100.0080.00016.75
8.0.90.0050.00316.82
8.0.80.0060.00916.88
8.0.70.0000.00816.69
8.0.60.0050.00316.92
8.0.50.0040.00416.88
8.0.30.0120.00717.12
8.0.20.0080.01117.40
8.0.10.0000.00716.88
8.0.00.0090.00916.81
7.4.330.0060.00015.03
7.4.320.0070.00016.39
7.4.300.0000.00616.44
7.4.290.0030.00316.39
7.4.280.0040.00416.34
7.4.270.0040.00416.42
7.4.260.0030.00316.33
7.4.250.0040.00416.42
7.4.240.0030.00316.45
7.4.230.0030.00316.46
7.4.220.0130.00616.48
7.4.210.0070.00716.52
7.4.200.0070.00016.61
7.4.160.0060.01016.43
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0070.00916.60
7.4.120.0080.00916.56
7.4.110.0250.02116.61
7.4.100.0090.00916.32
7.4.90.0130.00416.50
7.4.80.0190.00616.31
7.4.70.0170.00716.32
7.4.60.0080.00816.42
7.4.50.0040.00416.54
7.4.40.0130.00316.30
7.4.30.0080.01216.58
7.4.10.0030.01216.54
7.4.00.0080.00715.62
7.3.330.0000.00613.09
7.3.320.0050.00013.27
7.3.310.0000.00716.21
7.3.300.0070.00016.26
7.3.290.0040.01116.42
7.3.280.0060.00816.45
7.3.270.0030.01617.40
7.3.260.0070.00916.34
7.3.250.0130.00416.33
7.3.240.0150.00416.27
7.3.230.0080.00816.60
7.3.210.0080.00816.35
7.3.200.0130.01119.39
7.3.190.0070.01316.44
7.3.180.0090.00616.28
7.3.170.0040.01216.39
7.3.160.0070.01016.37
7.3.130.0070.01016.17
7.3.120.0110.00616.40
7.3.110.0090.00816.43
7.3.100.0030.01316.31
7.3.90.0060.00916.24
7.3.80.0110.00416.39
7.3.70.0070.00716.21
7.3.60.0040.01116.25
7.3.50.0070.00716.34
7.3.40.0070.01016.07
7.3.30.0040.01116.25
7.3.20.0080.00618.04
7.3.10.0100.00517.07
7.3.00.0070.00916.91
7.2.330.0110.00616.27
7.2.320.0030.01616.71
7.2.310.0090.00916.77
7.2.300.0070.01016.47
7.2.290.0100.00616.79
7.2.260.0060.01316.59
7.2.250.0000.01916.56
7.2.240.0100.00616.29
7.2.230.0090.00916.63
7.2.220.0000.01716.50
7.2.210.0000.01416.64
7.2.200.0040.01416.47
7.2.190.0060.00616.42
7.2.180.0040.01416.69
7.2.170.0030.01016.43
7.2.160.0030.01216.52
7.2.150.0060.00918.23
7.2.140.0030.00718.38
7.2.130.0050.00917.33
7.2.120.0100.00717.14
7.2.110.0080.00517.34
7.2.100.0080.00717.32
7.2.90.0110.00917.39
7.2.80.0080.00917.29
7.2.70.0090.00517.23
7.2.60.0110.00617.37
7.2.50.0060.01317.35
7.2.40.0120.00417.26
7.2.30.0100.00717.19
7.2.20.0090.00717.13
7.2.10.0080.00917.12
7.2.00.0100.00817.72
7.1.330.0060.01317.46
7.1.320.0030.01317.50
7.1.310.0070.01017.25
7.1.300.0100.00017.30
7.1.290.0070.01017.20
7.1.280.0000.01117.43
7.1.270.0030.00917.09
7.1.260.0120.00017.27
7.1.250.0060.00716.17
7.1.240.0000.01817.19
7.1.230.0100.00317.25
7.1.220.0050.00717.28
7.1.210.0030.01217.28
7.1.200.0090.00616.57
7.1.190.0040.01017.41
7.1.180.0080.00617.32
7.1.170.0070.00417.18
7.1.160.0030.00717.34
7.1.150.0030.01017.19
7.1.140.0030.00717.21
7.1.130.0080.00817.26
7.1.120.0090.00617.19
7.1.110.0050.00817.22
7.1.100.0070.00617.77
7.1.90.0070.00717.36
7.1.80.0030.01217.14
7.1.70.0050.00517.32
7.1.60.0050.01418.24
7.1.50.0120.00917.03
7.1.40.0030.00717.11
7.1.30.0040.00717.41
7.1.20.0050.01017.17
7.1.10.0040.00817.39
7.1.00.0030.04219.75
7.0.330.0000.01716.93
7.0.320.0100.00716.98
7.0.310.0030.00617.21
7.0.300.0110.00416.98
7.0.290.0040.00416.88
7.0.280.0000.01217.05
7.0.270.0080.00816.80
7.0.260.0030.00616.86
7.0.250.0000.01116.91
7.0.240.0070.00317.00
7.0.230.0120.00416.81
7.0.220.0030.00616.95
7.0.210.0030.01016.95
7.0.200.0050.00817.00
7.0.190.0090.00617.15
7.0.180.0090.00016.89
7.0.170.0000.01416.88
7.0.160.0030.01016.91
7.0.150.0030.00716.85
7.0.140.0040.04219.45
7.0.130.0090.00317.07
7.0.120.0000.04519.36
7.0.110.0070.04219.51
7.0.100.0050.03319.48
7.0.90.0020.03219.40
7.0.80.0030.04719.59
7.0.70.0050.03819.44
7.0.60.0050.03719.48
7.0.50.0040.02919.45
7.0.40.0020.04417.53
7.0.30.0040.04617.60
7.0.20.0020.03517.41
7.0.10.0060.04217.42
7.0.00.0030.02717.54
5.6.400.0060.00615.89
5.6.390.0040.01515.97
5.6.380.0030.01316.24
5.6.370.0060.00615.99
5.6.360.0080.00415.81
5.6.350.0040.01115.92
5.6.340.0040.00715.64
5.6.330.0070.01016.05
5.6.320.0090.00616.17
5.6.310.0040.01415.78
5.6.300.0080.00315.69
5.6.290.0090.01216.03
5.6.280.0060.03618.49
5.6.270.0050.04718.29
5.6.260.0050.04418.44
5.6.250.0050.02418.55
5.6.240.0120.04018.53
5.6.230.0070.03818.44
5.6.220.0090.03818.28
5.6.210.0030.04518.41
5.6.200.0050.03318.55
5.6.190.0000.03518.36
5.6.180.0080.03818.40
5.6.170.0030.03118.36
5.6.160.0070.04018.46
5.6.150.0040.04518.26
5.6.140.0020.03118.45
5.6.130.0020.04118.43
5.6.120.0060.04618.46
5.6.110.0060.03818.37
5.6.100.0040.02518.27
5.6.90.0040.03718.53
5.6.80.0030.03317.93
5.6.70.0090.04318.13
5.6.60.0040.03017.87
5.6.50.0070.03617.97
5.6.40.0030.03918.09
5.6.30.0000.03418.23
5.6.20.0050.04317.90
5.6.10.0010.04417.92
5.6.00.0050.04418.05
5.5.380.0060.02516.74
5.5.370.0020.04116.82
5.5.360.0030.04716.67
5.5.350.0020.03416.80
5.5.340.0000.03017.08
5.5.330.0050.03716.91
5.5.320.0120.03016.91
5.5.310.0070.03717.14
5.5.300.0120.02516.92
5.5.290.0030.04016.93
5.5.280.0070.04017.02
5.5.270.0050.02317.08
5.5.260.0020.04017.03
5.5.250.0040.02716.72
5.5.240.0030.04116.62
5.5.230.0070.02016.61
5.5.220.0020.03016.46
5.5.210.0070.03816.60
5.5.200.0020.04416.57
5.5.190.0030.04616.69
5.5.180.0030.03816.51
5.5.170.0080.00415.86
5.5.160.0040.02516.71
5.5.150.0070.04016.49
5.5.140.0010.02216.69
5.5.130.0080.02216.65
5.5.120.0030.03516.66
5.5.110.0050.04016.72
5.5.100.0090.03816.64
5.5.90.0050.03216.67
5.5.80.0020.04516.39
5.5.70.0050.04116.50
5.5.60.0050.04216.47
5.5.50.0070.03816.57
5.5.40.0000.04516.61
5.5.30.0050.04216.40
5.5.20.0020.04416.47
5.5.10.0050.04216.24
5.5.00.0050.03016.63
5.4.450.0110.03316.06
5.4.440.0030.03015.96
5.4.430.0050.03616.06
5.4.420.0050.03515.98
5.4.410.0030.02715.93
5.4.400.0030.02615.90
5.4.390.0060.04015.83
5.4.380.0020.04015.86
5.4.370.0070.02415.94
5.4.360.0030.04115.86
5.4.350.0050.04015.88
5.4.340.0070.03315.82
5.4.330.0070.00012.70
5.4.320.0030.02315.83
5.4.310.0070.01715.79
5.4.300.0050.03315.88
5.4.290.0040.03515.80
5.4.280.0020.04215.83
5.4.270.0030.02815.94
5.4.260.0040.02115.95
5.4.250.0050.04015.79
5.4.240.0070.01915.87
5.4.230.0060.03815.79
5.4.220.0020.02815.95
5.4.210.0050.02315.96
5.4.200.0040.02115.94
5.4.190.0030.03115.89
5.4.180.0020.04415.87
5.4.170.0050.03615.88
5.4.160.0050.03815.78
5.4.150.0060.04115.83
5.4.140.0070.02014.60
5.4.130.0070.03214.50
5.4.120.0110.02314.45
5.4.110.0000.02814.58
5.4.100.0020.02314.51
5.4.90.0020.03714.52
5.4.80.0050.03514.56
5.4.70.0060.03014.50
5.4.60.0060.03614.57
5.4.50.0020.04114.55
5.4.40.0030.03714.51
5.4.30.0040.03714.55
5.4.20.0070.03714.56
5.4.10.0020.04214.55
5.4.00.0030.03714.14
5.3.290.0000.05714.68
5.3.280.0030.07014.43
5.3.270.0030.07314.68
5.3.260.0000.05014.61
5.3.250.0000.07314.41
5.3.240.0030.07014.53
5.3.230.0030.06014.53
5.3.220.0000.04014.63
5.3.210.0000.06014.66
5.3.200.0070.06714.42
5.3.190.0030.03014.62
5.3.180.0070.05014.48
5.3.170.0000.07314.62
5.3.160.0000.06714.50
5.3.150.0030.07014.48
5.3.140.0030.05714.51
5.3.130.0030.04714.42
5.3.120.0000.08014.60
5.3.110.0000.05014.44
5.3.100.0030.07013.98
5.3.90.0030.06014.04
5.3.80.0000.07013.87
5.3.70.0000.03713.91
5.3.60.0070.03014.05
5.3.50.0000.07713.77
5.3.40.0000.06014.04
5.3.30.0000.06313.84
5.3.20.0000.07013.64
5.3.10.0030.07013.72
5.3.00.0000.03013.48
5.2.170.0000.03011.15
5.2.160.0000.03311.15
5.2.150.0030.06011.30
5.2.140.0000.03011.07
5.2.130.0030.05311.02
5.2.120.0000.06011.10
5.2.110.0000.02311.25
5.2.100.0030.06311.00
5.2.90.0000.06011.00
5.2.80.0000.03011.00
5.2.70.0000.06311.03
5.2.60.0030.02711.00
5.2.50.0000.05310.94
5.2.40.0030.05011.05
5.2.30.0000.03010.89
5.2.20.0030.02310.86
5.2.10.0000.03010.93
5.2.00.0000.02710.62
5.1.60.0030.0379.81
5.1.50.0000.02710.14
5.1.40.0030.0379.91
5.1.30.0070.02010.22
5.1.20.0000.04010.25
5.1.10.0000.04310.22
5.1.00.0000.02710.05
5.0.50.0000.0409.50
5.0.40.0000.0439.50
5.0.30.0000.0439.50
5.0.20.0000.0179.50
5.0.10.0030.0339.50
5.0.00.0000.0409.50
4.4.90.0030.0309.50
4.4.80.0000.0339.50
4.4.70.0030.0279.50
4.4.60.0000.0139.50
4.4.50.0000.0139.50
4.4.40.0000.0239.50
4.4.30.0000.0179.50
4.4.20.0030.0179.50
4.4.10.0000.0379.50
4.4.00.0070.0539.50
4.3.110.0000.0209.50
4.3.100.0000.0339.50
4.3.90.0030.0139.50
4.3.80.0000.0239.50
4.3.70.0000.0139.50
4.3.60.0030.0179.50
4.3.50.0030.0309.50
4.3.40.0000.0239.50
4.3.30.0000.0279.50
4.3.20.0000.0179.50
4.3.10.0000.0339.50
4.3.00.0000.0139.50

preferences:
40.28 ms | 401 KiB | 5 Q