3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = true; if(empty($a)) echo 123;

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)
8.3.40.0070.00718.54
8.3.30.0140.00018.88
8.3.20.0080.00020.30
8.3.10.0000.00722.09
8.3.00.0080.00022.19
8.2.170.0000.01522.96
8.2.160.0030.01020.95
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0060.00326.16
8.2.120.0050.00319.36
8.2.110.0030.00619.12
8.2.100.0120.00017.84
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0000.00717.97
8.2.30.0000.00717.99
8.2.20.0000.00817.54
8.2.10.0040.00417.66
8.2.00.0080.00017.61
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0120.00628.09
8.1.240.0030.00722.20
8.1.230.0060.00619.00
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0050.00317.00
8.1.180.0050.00318.10
8.1.170.0080.00418.46
8.1.160.0040.00421.94
8.1.150.0000.00718.48
8.1.140.0040.00417.28
8.1.130.0030.00317.69
8.1.120.0070.00317.36
8.1.110.0040.00417.27
8.1.100.0000.00717.39
8.1.90.0040.00417.33
8.1.80.0080.00017.33
8.1.70.0030.00317.25
8.1.60.0030.00517.51
8.1.50.0040.00417.43
8.1.40.0030.00617.44
8.1.30.0070.00317.58
8.1.20.0040.00417.58
8.1.10.0000.00717.43
8.1.00.0050.00317.26
8.0.300.0030.00320.04
8.0.290.0030.00616.75
8.0.280.0040.00418.27
8.0.270.0030.00317.13
8.0.260.0070.00016.75
8.0.250.0060.00016.89
8.0.240.0030.00316.77
8.0.230.0030.00316.76
8.0.220.0000.00716.70
8.0.210.0030.00516.70
8.0.200.0080.00016.91
8.0.190.0040.00416.89
8.0.180.0040.00416.79
8.0.170.0000.00816.87
8.0.160.0090.00016.78
8.0.150.0030.00316.82
8.0.140.0000.00716.68
8.0.130.0050.00013.25
8.0.120.0000.00716.68
8.0.110.0000.00716.77
8.0.100.0070.00016.88
8.0.90.0040.00416.67
8.0.80.0080.00816.76
8.0.70.0050.00216.70
8.0.60.0000.00716.60
8.0.50.0000.00716.83
8.0.30.0120.00716.93
8.0.20.0080.01017.40
8.0.10.0030.00517.04
8.0.00.0080.01316.63
7.4.330.0000.00515.03
7.4.320.0030.00316.50
7.4.300.0030.00316.52
7.4.290.0030.00316.38
7.4.280.0070.00016.41
7.4.270.0050.00216.52
7.4.260.0070.00016.30
7.4.250.0040.00416.48
7.4.240.0050.00216.45
7.4.230.0040.00416.32
7.4.220.0120.00616.46
7.4.210.0080.00916.52
7.4.200.0000.00716.22
7.4.190.0050.00216.39
7.4.160.0120.00316.51
7.4.150.0030.01417.40
7.4.140.0120.00817.86
7.4.130.0080.00816.42
7.4.120.0110.00516.40
7.4.110.0090.00916.40
7.4.100.0100.00716.44
7.4.90.0110.00916.56
7.4.80.0040.01219.39
7.4.70.0130.00316.26
7.4.60.0120.00616.47
7.4.50.0040.00016.52
7.4.40.0070.00722.77
7.4.30.0100.00716.52
7.4.10.0120.00616.33
7.4.00.0070.00915.32
7.3.330.0050.00013.03
7.3.320.0020.00213.04
7.3.310.0070.00016.06
7.3.300.0030.00316.15
7.3.290.0090.00916.12
7.3.280.0080.00716.15
7.3.270.0170.00017.40
7.3.260.0070.01016.21
7.3.250.0130.00416.26
7.3.240.0100.00716.21
7.3.230.0100.00716.39
7.3.210.0120.00616.07
7.3.200.0140.00719.39
7.3.190.0130.00716.50
7.3.180.0030.01316.18
7.3.170.0150.00016.27
7.3.160.0110.00616.28
7.3.130.0140.00316.41
7.3.120.0110.00415.64
7.3.110.0030.01016.34
7.3.100.0060.00916.38
7.3.90.0090.00616.30
7.3.80.0100.00716.30
7.3.70.0060.01016.27
7.3.60.0120.00316.19
7.3.50.0100.00716.25
7.3.40.0030.00615.94
7.3.30.0110.00716.25
7.3.20.0090.00317.98
7.3.10.0040.01118.05
7.3.00.0000.01617.87
7.2.330.0070.01416.56
7.2.320.0170.00016.16
7.2.310.0150.01116.38
7.2.300.0160.00416.46
7.2.290.0070.01016.53
7.2.260.0140.00316.39
7.2.250.0070.01316.39
7.2.240.0100.00716.34
7.2.230.0090.00616.47
7.2.220.0100.00716.13
7.2.210.0060.01316.26
7.2.200.0070.01016.47
7.2.190.0070.01016.14
7.2.180.0000.01516.39
7.2.170.0110.00416.41
7.2.160.0090.00616.50
7.2.150.0000.01618.13
7.2.140.0120.00818.39
7.2.130.0040.01218.27
7.2.120.0070.00318.32
7.2.110.0100.00318.14
7.2.100.0070.01018.19
7.2.90.0030.00918.27
7.2.80.0090.00318.21
7.2.70.0110.00718.38
7.2.60.0070.00717.31
7.2.50.0070.01018.06
7.2.40.0030.01318.45
7.2.30.0000.01218.21
7.2.20.0060.01018.31
7.2.10.0040.01518.26
7.2.00.0080.00418.20
7.1.330.0030.01117.18
7.1.320.0130.00016.96
7.1.310.0100.00616.97
7.1.300.0120.00317.04
7.1.290.0100.00317.07
7.1.280.0060.00917.12
7.1.270.0060.00917.02
7.1.260.0060.00917.07
7.1.250.0110.00717.06
7.1.240.0050.00517.12
7.1.230.0030.00617.00
7.1.220.0130.00017.10
7.1.210.0030.00717.29
7.1.200.0060.00716.20
7.1.190.0080.00417.04
7.1.180.0030.00717.18
7.1.170.0070.01017.13
7.1.160.0060.00617.11
7.1.150.0110.00017.09
7.1.140.0080.00817.11
7.1.130.0030.01317.14
7.1.120.0100.01017.05
7.1.110.0100.00716.96
7.1.100.0090.00316.99
7.1.90.0090.00617.13
7.1.80.0120.00017.29
7.1.70.0050.00916.89
7.1.60.0080.01118.46
7.1.50.0100.00816.88
7.1.40.0000.00917.09
7.1.30.0080.00817.08
7.1.20.0070.00717.09
7.1.10.0030.01017.09
7.1.00.0070.02719.78
7.0.330.0080.00816.84
7.0.320.0080.00416.78
7.0.310.0070.01016.72
7.0.300.0040.00716.95
7.0.290.0060.00816.77
7.0.280.0040.01116.97
7.0.270.0090.00017.07
7.0.260.0070.00716.77
7.0.250.0060.00916.91
7.0.240.0070.00717.00
7.0.230.0030.00616.88
7.0.220.0070.00716.84
7.0.210.0030.00616.78
7.0.200.0020.00816.59
7.0.190.0070.00716.93
7.0.180.0040.01116.84
7.0.170.0000.01016.86
7.0.160.0000.01416.74
7.0.150.0040.00416.78
7.0.140.0090.03319.57
7.0.130.0100.00316.94
7.0.120.0100.00717.03
7.0.110.0060.00916.79
7.0.100.0070.00716.89
7.0.90.0000.00916.78
7.0.80.0000.01316.98
7.0.70.0080.00417.02
7.0.60.0050.04318.44
7.0.50.0070.04417.30
7.0.40.0070.04517.44
7.0.30.0170.02617.37
7.0.20.0200.04117.38
7.0.10.0140.01917.46
7.0.00.0090.04717.40
5.6.400.0090.00615.52
5.6.390.0030.00815.89
5.6.380.0040.00715.61
5.6.370.0130.00315.97
5.6.360.0070.00715.60
5.6.350.0030.01315.50
5.6.340.0100.00415.77
5.6.330.0000.01315.63
5.6.320.0060.00616.06
5.6.310.0040.00715.66
5.6.300.0040.00815.35
5.6.290.0040.01216.02
5.6.280.0040.04018.50
5.6.270.0000.01115.84
5.6.260.0030.01215.85
5.6.250.0060.00615.51
5.6.240.0030.00715.86
5.6.230.0060.00315.75
5.6.220.0000.01315.79
5.6.210.0080.04118.08
5.6.200.0040.04916.98
5.6.190.0050.04018.13
5.6.180.1810.02518.21
5.6.170.0100.02218.07
5.6.160.0070.03818.03
5.6.150.0050.02616.88
5.6.140.0190.02716.92
5.6.130.0060.03016.97
5.6.120.0120.04218.40
5.6.110.0070.04318.46
5.6.100.0050.02518.26
5.6.90.0050.04718.31
5.6.80.0020.03418.16
5.6.70.2050.02017.94
5.6.60.0030.01315.56
5.6.50.0000.01315.68
5.6.40.0040.01215.80
5.6.30.0140.00315.73
5.6.20.0000.01615.50
5.6.10.0000.01115.59
5.6.00.0000.01615.57
5.5.380.0000.01115.55
5.5.370.0040.00715.71
5.5.360.0130.00015.71
5.5.350.0080.03318.10
5.5.340.0070.02816.83
5.5.330.0030.05017.94
5.5.320.0140.02318.00
5.5.310.0200.03917.97
5.5.300.0050.03516.81
5.5.290.0090.03016.82
5.5.280.0100.03018.14
5.5.270.0050.03218.18
5.5.260.0050.04118.15
5.5.250.0070.04518.08
5.5.240.0080.03517.97
5.5.230.0070.00715.43
5.5.220.0070.01115.57
5.5.210.0030.00915.37
5.5.200.0030.01215.48
5.5.190.0070.00315.55
5.5.180.0100.00715.50
5.5.170.0000.00915.68
5.5.160.0090.00315.45
5.5.150.0070.00715.48
5.5.140.0040.01115.63
5.5.130.0080.00815.17
5.5.120.0000.01215.39
5.5.110.0030.00715.53
5.5.100.0000.01515.46
5.5.90.0060.00315.73
5.5.80.0090.00915.34
5.5.70.0060.00615.71
5.5.60.0030.01015.72
5.5.50.0060.00615.55
5.5.40.0090.00315.73
5.5.30.0070.01015.43
5.5.20.0030.01015.32
5.5.10.0120.00315.62
5.5.00.0110.00415.46
5.4.450.0250.02516.09
5.4.440.0300.02815.85
5.4.430.0260.02516.02
5.4.420.0030.01815.94
5.4.410.0100.02415.58
5.4.400.0050.03015.54
5.4.390.0020.03215.61
5.4.380.0090.03715.53
5.4.370.0170.02715.49
5.4.360.0120.02815.59
5.4.350.0130.02715.58
5.4.340.0170.02515.55
5.4.330.0060.00312.46
5.4.320.0040.02312.45
5.4.310.0050.02312.45
5.4.300.0050.02312.45
5.4.290.0070.02412.45
5.4.280.0050.02312.40
5.4.270.0040.02212.40
5.4.260.0080.02612.39
5.4.250.0060.03012.38
5.4.240.0100.02712.39
5.4.230.0050.03112.40
5.4.220.0060.02012.42
5.4.210.0040.02012.38
5.4.200.0060.02112.38
5.4.190.0050.02812.38
5.4.180.0040.02712.38
5.4.170.0070.02012.39
5.4.160.0080.01912.38
5.4.150.0060.01812.38
5.4.140.0070.01812.22
5.4.130.0050.02212.22
5.4.120.0020.02212.20
5.4.110.0040.02812.21
5.4.100.0070.02412.19
5.4.90.0050.02112.19
5.4.80.0070.02112.20
5.4.70.0060.01912.19
5.4.60.0040.02912.19
5.4.50.0080.02112.19
5.4.40.0070.01912.18
5.4.30.0050.02012.18
5.4.20.0050.02112.18
5.4.10.0100.01912.18
5.4.00.0050.02311.93
5.3.290.0030.02312.88
5.3.280.0050.02412.70
5.3.270.0080.02012.74
5.3.260.0060.02112.84
5.3.250.0070.02112.74
5.3.240.0020.02512.70
5.3.230.0070.02112.81
5.3.220.0030.02212.65
5.3.210.0040.02412.65
5.3.200.0060.02512.64
5.3.190.0070.02512.75
5.3.180.0050.02212.79
5.3.170.0080.01712.72
5.3.160.0050.02212.78
5.3.150.0030.02512.78
5.3.140.0060.02112.79
5.3.130.0030.02412.81
5.3.120.0030.02512.73
5.3.110.0040.02512.73
5.3.100.0060.02412.54
5.3.90.0040.02512.45
5.3.80.0030.02512.36
5.3.70.0060.02112.37
5.3.60.0050.02112.55
5.3.50.0070.01912.31
5.3.40.0080.02012.28
5.3.30.0060.02012.31
5.3.20.0070.02012.22
5.3.10.0050.02312.06
5.3.00.0020.02612.06
5.2.170.0040.0319.14
5.2.160.0110.0259.15
5.2.150.0050.0349.15
5.2.140.0050.0329.14
5.2.130.0040.0309.10
5.2.120.0040.0289.11
5.2.110.0040.0299.11
5.2.100.0020.0309.11
5.2.90.0040.0299.10
5.2.80.0050.0299.10
5.2.70.0060.0289.10
5.2.60.0060.0299.05
5.2.50.0070.0279.02
5.2.40.0020.0319.00
5.2.30.0080.0278.98
5.2.20.0020.0328.96
5.2.10.0060.0278.89
5.2.00.0020.0318.75
5.1.60.0030.0258.03
5.1.50.0030.0258.03
5.1.40.0070.0218.02
5.1.30.0060.0358.36
5.1.20.0100.0278.39
5.1.10.0040.0308.11
5.1.00.0040.0268.11
5.0.50.0020.0246.58
5.0.40.0050.0176.44
5.0.30.0010.0336.27
5.0.20.0010.0216.24
5.0.10.0040.0196.21
5.0.00.0020.0326.20
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0030.0154.76
4.4.60.0050.0164.76
4.4.50.0040.0134.77
4.4.40.0030.0244.71
4.4.30.0040.0174.76
4.4.20.0020.0234.85
4.4.10.0020.0174.85
4.4.00.0010.0264.76
4.3.110.0040.0144.67
4.3.100.0030.0174.67
4.3.90.0010.0234.63
4.3.80.0040.0274.58
4.3.70.0040.0144.63
4.3.60.0020.0164.63
4.3.50.0070.0184.63
4.3.40.0030.0324.54
4.3.30.0010.0223.27
4.3.20.0040.0183.25
4.3.10.0010.0173.21
4.3.00.0100.01313.28

preferences:
40.18 ms | 400 KiB | 5 Q