3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(isset($a)) { echo 'foo'; } if($a) { echo 'bar'; }

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)
8.3.60.0180.00018.33
8.3.50.0090.00620.95
8.3.40.0040.01118.82
8.3.30.0070.00718.87
8.3.20.0070.00020.09
8.3.10.0000.00721.96
8.3.00.0070.00022.52
8.2.180.0150.00616.63
8.2.170.0140.00322.96
8.2.160.0080.00519.09
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0000.00819.56
8.2.110.0050.00522.11
8.2.100.0150.00017.59
8.2.90.0030.00619.16
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0040.00417.68
8.2.50.0040.00418.07
8.2.40.0000.00919.75
8.2.30.0030.00617.80
8.2.20.0040.00417.61
8.2.10.0000.00717.56
8.2.00.0050.00217.49
8.1.280.0070.00725.92
8.1.270.0060.00318.20
8.1.260.0030.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0110.00019.09
8.1.220.0050.00517.74
8.1.210.0050.00318.77
8.1.200.0050.00517.10
8.1.190.0040.00417.18
8.1.180.0040.00418.63
8.1.170.0080.00318.46
8.1.160.0000.00722.09
8.1.150.0000.00718.36
8.1.140.0040.00417.36
8.1.130.0000.00817.74
8.1.120.0030.00517.34
8.1.110.0080.00017.19
8.1.100.0000.00717.18
8.1.90.0050.00317.38
8.1.80.0000.00817.23
8.1.70.0000.00717.24
8.1.60.0090.00017.35
8.1.50.0000.00717.28
8.1.40.0080.00017.35
8.1.30.0050.00317.39
8.1.20.0000.00817.54
8.1.10.0000.00717.40
8.1.00.0020.00517.18
8.0.300.0000.00718.77
8.0.290.0040.00416.93
8.0.280.0030.00318.26
8.0.270.0030.00317.17
8.0.260.0030.00316.65
8.0.250.0040.00416.79
8.0.240.0040.00416.84
8.0.230.0000.00716.88
8.0.220.0030.00316.71
8.0.210.0040.00416.88
8.0.200.0000.00616.92
8.0.190.0060.00616.91
8.0.180.0000.00716.84
8.0.170.0030.00516.82
8.0.160.0030.00516.68
8.0.150.0030.00416.68
8.0.140.0070.00016.75
8.0.130.0030.00313.24
8.0.120.0000.00716.66
8.0.110.0030.00516.65
8.0.100.0070.00016.60
8.0.90.0050.00216.68
8.0.80.0040.01116.79
8.0.70.0030.00516.68
8.0.60.0040.00416.73
8.0.50.0000.00716.91
8.0.30.0110.00916.82
8.0.20.0080.01017.40
8.0.10.0040.00416.96
8.0.00.0050.01316.45
7.4.330.0000.00415.00
7.4.320.0000.00616.48
7.4.300.0060.00016.36
7.4.290.0000.00716.51
7.4.280.0040.00416.43
7.4.270.0030.00316.32
7.4.260.0050.00416.31
7.4.250.0070.00016.29
7.4.240.0050.00216.43
7.4.230.0000.00716.46
7.4.220.0030.01316.47
7.4.210.0070.00716.34
7.4.200.0030.00416.37
7.4.190.0070.00016.47
7.4.160.0060.01116.28
7.4.150.0110.00617.40
7.4.140.0080.01117.86
7.4.130.0100.01116.41
7.4.120.0100.00716.42
7.4.110.0100.00616.37
7.4.100.0050.01416.55
7.4.90.0030.01316.21
7.4.80.0110.00719.39
7.4.70.0070.01616.36
7.4.60.0070.01116.38
7.4.50.0030.00516.35
7.4.40.0100.00622.77
7.4.30.0120.00316.23
7.4.00.0080.00414.90
7.3.330.0030.00312.93
7.3.320.0030.00312.93
7.3.310.0020.00516.21
7.3.300.0040.00416.20
7.3.290.0030.01116.14
7.3.280.0090.00716.19
7.3.270.0110.00417.40
7.3.260.0090.00916.11
7.3.250.0130.00316.32
7.3.240.0130.00416.37
7.3.230.0070.01516.39
7.3.210.0080.00816.16
7.3.200.0070.01019.39
7.3.190.0130.00916.25
7.3.180.0190.00316.46
7.3.170.0030.01316.30
7.3.160.0120.00316.36
7.3.120.0090.00614.52
7.3.110.0070.00714.52
7.3.100.0130.00014.73
7.3.90.0060.00614.52
7.3.80.0060.01014.71
7.3.70.0040.01714.50
7.3.60.0150.00714.55
7.3.50.0050.01414.39
7.3.40.0120.00314.38
7.3.30.0100.00314.43
7.3.20.0040.01216.30
7.3.10.0040.00816.15
7.3.00.0040.00716.25
7.2.330.0080.00916.34
7.2.320.0070.01016.45
7.2.310.0170.00316.52
7.2.300.0120.00916.43
7.2.290.0110.00616.59
7.2.240.0050.00514.40
7.2.230.0060.00914.77
7.2.220.0060.00914.55
7.2.210.0090.00614.98
7.2.200.0130.00914.94
7.2.190.0030.02114.66
7.2.180.0090.01215.10
7.2.170.0060.01214.89
7.2.160.0080.00614.66
7.2.150.0070.01416.50
7.2.140.0120.00316.75
7.2.130.0030.01316.55
7.2.120.0100.00616.72
7.2.110.0130.00316.35
7.2.100.0130.00316.58
7.2.90.0140.00716.46
7.2.80.0060.01216.68
7.2.70.0070.01016.37
7.2.60.0050.01216.71
7.2.50.0040.01216.83
7.2.40.0060.00916.93
7.2.30.0040.00716.70
7.2.20.0030.01316.63
7.2.10.0080.01116.88
7.2.00.0070.01116.82
7.1.330.0060.01015.65
7.1.320.0070.01015.55
7.1.310.0060.01215.38
7.1.300.0160.00515.54
7.1.290.0110.00415.59
7.1.280.0030.01315.19
7.1.270.0110.00715.59
7.1.260.0100.00715.50
7.1.250.0080.00815.19
7.1.200.0040.01115.83
7.1.100.0070.00718.12
7.1.70.0070.00316.87
7.1.60.0070.01719.82
7.1.50.0110.01116.95
7.1.00.0070.07322.36
7.0.200.0000.00716.66
7.0.140.0100.06722.00
7.0.60.0070.07719.85
7.0.50.0030.07717.84
7.0.40.0030.04720.05
7.0.30.0230.04720.18
7.0.20.0330.08320.16
7.0.10.0100.08320.00
7.0.00.0030.04320.08
5.6.210.0030.04020.55
5.6.200.0170.06718.19
5.6.190.0130.06720.41
5.6.180.0130.04720.33
5.6.170.0300.07720.38
5.6.160.0070.04720.48
5.6.150.0100.07718.22
5.6.140.0000.06318.20
5.6.130.0100.05718.07
5.6.120.0100.08021.13
5.6.110.0000.05020.98
5.6.100.0170.07321.00
5.6.90.0130.03720.87
5.6.80.0100.07720.37
5.5.350.0000.07720.34
5.5.340.0030.05717.93
5.5.330.0170.07020.07
5.5.320.0030.05720.32
5.5.310.0170.08320.28
5.5.300.0100.06317.98
5.5.290.0100.08018.00
5.5.280.0130.04720.87
5.5.270.0000.04320.64
5.5.260.0030.06720.79
5.5.250.0100.07720.68
5.5.240.3870.03720.14
5.4.450.0530.04319.24
5.4.440.0330.05319.26
5.4.430.0230.02719.45
5.4.420.0400.05319.13
5.4.410.0370.03319.28
5.4.400.0530.03718.93
5.4.390.0700.03719.18
5.4.380.0300.05318.57
5.4.370.0170.05718.54
5.4.360.0270.05318.68
5.4.350.0100.06718.71
5.4.340.0300.05318.62
5.4.320.0060.03612.45
5.4.310.0080.05012.45
5.4.300.0040.04012.45
5.4.290.0070.03912.45
5.4.280.0050.03512.35
5.4.270.0060.04112.34
5.4.260.0060.04212.34
5.4.250.0200.04718.70
5.4.240.0200.04318.78
5.4.230.0130.05018.80
5.4.220.0130.06318.75
5.4.210.0170.04718.98
5.4.200.0130.04718.98
5.4.190.0130.04718.65
5.4.180.0070.05018.65
5.4.170.0100.07018.66
5.4.160.0130.05018.92
5.4.150.0130.05018.75
5.4.140.0130.04316.51
5.4.130.0070.05016.29
5.4.120.0100.04716.53
5.4.110.0130.07316.19
5.4.100.0130.05316.14
5.4.90.0070.07316.23
5.4.80.0130.05716.37
5.4.70.0030.05316.40
5.4.60.0170.05316.27
5.4.50.0130.06716.32
5.4.40.0100.05716.38
5.4.30.0270.05016.41
5.4.20.0030.05316.32
5.4.10.0130.07016.41
5.4.00.0130.05015.94
5.3.290.0020.04312.80
5.3.280.0100.06714.59
5.3.270.0200.05314.39
5.3.260.0100.06014.46
5.3.250.0070.05014.61
5.3.240.0070.05014.69
5.3.230.0100.04714.59
5.3.220.0030.05714.57
5.3.210.0070.05314.56
5.3.200.0100.05014.55
5.3.190.0100.06714.40
5.3.180.0070.06714.41
5.3.170.0130.04714.57
5.3.160.0070.05714.58
5.3.150.0170.07014.58
5.3.140.0100.05014.54
5.3.130.0130.07014.69
5.3.120.0000.06014.31
5.3.110.0230.04014.39
5.3.100.0070.07013.88
5.3.90.0070.05014.02
5.3.80.0130.04713.90
5.3.70.0070.05714.11
5.3.60.0230.03714.00
5.3.50.0130.05713.81
5.3.40.0100.06314.09
5.3.30.0070.07013.99
5.3.20.0130.07013.83
5.3.10.0100.04313.48
5.3.00.0130.04713.65
5.2.170.0130.05011.29
5.2.160.0000.06011.16
5.2.150.0070.04011.25
5.2.140.0100.05011.24
5.2.130.0130.03311.10
5.2.120.0070.04011.03
5.2.110.0070.04011.25
5.2.100.0100.03710.98
5.2.90.0030.04311.09
5.2.80.0100.04010.98
5.2.70.0070.05711.00
5.2.60.0070.04010.97
5.2.50.0100.04011.17
5.2.40.0100.03711.02
5.2.30.0130.05310.88
5.2.20.0000.04710.84
5.2.10.0030.04310.93
5.2.00.0100.03710.79
5.1.60.0000.04010.01
5.1.50.0100.03010.18
5.1.40.0000.04010.06
5.1.30.0000.05010.41
5.1.20.0030.03710.56
5.1.10.0070.0379.99
5.1.00.0000.0439.93
5.0.50.0070.0278.59
5.0.40.0100.0208.25
5.0.30.0030.0438.23
5.0.20.0070.0278.17
5.0.10.0000.0308.30
5.0.00.0030.0407.98
4.4.90.0000.0277.47
4.4.80.0030.0207.47
4.4.70.0000.0237.47
4.4.60.0000.0237.47
4.4.50.0030.0307.47
4.4.40.0070.0407.47
4.4.30.0030.0207.47
4.4.20.0000.0237.47
4.4.10.0030.0207.47
4.4.00.0000.0337.47
4.3.110.0030.0207.47
4.3.100.0070.0177.47
4.3.90.0000.0237.47
4.3.80.0030.0337.47
4.3.70.0070.0277.47
4.3.60.0070.0277.47
4.3.50.0070.0177.47
4.3.40.0070.0307.47
4.3.30.0100.0137.47
4.3.20.0000.0237.47
4.3.10.0030.0207.52
4.3.00.0030.02014.52

preferences:
35.63 ms | 401 KiB | 5 Q