3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); if (empty($a)){ echo "0"; } else { echo "1"; }

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)
8.3.40.0110.00318.54
8.3.30.0130.00718.42
8.3.20.0080.00018.52
8.3.10.0040.00420.83
8.3.00.0040.00421.82
8.2.170.0040.01122.96
8.2.160.0100.00320.57
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00421.07
8.2.110.0070.00320.51
8.2.100.0080.00417.78
8.2.90.0040.00419.04
8.2.80.0050.00317.97
8.2.70.0060.00317.59
8.2.60.0040.00418.03
8.2.50.0090.00018.07
8.2.40.0030.00518.16
8.2.30.0000.00819.50
8.2.20.0050.00217.51
8.2.10.0080.00017.64
8.2.00.0040.00717.63
8.1.270.0030.00623.99
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00722.41
8.1.230.0070.00420.90
8.1.220.0000.00718.77
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0080.00017.29
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0070.00018.75
8.1.150.0000.00818.61
8.1.140.0040.00417.48
8.1.130.0070.00017.76
8.1.120.0030.00317.38
8.1.110.0050.00317.36
8.1.100.0030.00417.35
8.1.90.0000.00717.41
8.1.80.0040.00417.29
8.1.70.0030.00317.37
8.1.60.0060.00317.46
8.1.50.0070.00017.44
8.1.40.0070.00017.50
8.1.30.0030.00617.54
8.1.20.0000.00817.40
8.1.10.0000.00717.49
8.1.00.0030.00617.45
8.0.300.0080.00019.90
8.0.290.0070.00017.05
8.0.280.0000.00818.43
8.0.270.0030.00317.23
8.0.260.0030.00316.72
8.0.250.0030.00616.84
8.0.240.0000.00816.94
8.0.230.0030.00316.90
8.0.220.0000.00616.69
8.0.210.0040.00416.85
8.0.200.0030.00316.90
8.0.190.0000.00716.86
8.0.180.0000.00716.75
8.0.170.0040.00416.88
8.0.160.0030.00316.84
8.0.150.0070.00016.74
8.0.140.0030.00416.81
8.0.130.0030.00313.27
8.0.120.0040.00416.83
8.0.110.0030.00616.64
8.0.100.0040.00416.73
8.0.90.0030.00316.70
8.0.80.0100.00616.86
8.0.70.0040.00416.93
8.0.60.0040.00416.77
8.0.50.0000.00716.93
8.0.30.0090.01016.96
8.0.20.0150.00717.40
8.0.10.0000.00816.88
8.0.00.0090.01016.63
7.4.330.0000.00516.67
7.4.320.0000.00716.47
7.4.300.0030.00316.43
7.4.290.0030.00316.52
7.4.280.0000.00716.54
7.4.270.0000.00616.46
7.4.260.0050.00013.31
7.4.250.0080.00016.32
7.4.240.0050.00216.41
7.4.230.0000.00816.64
7.4.220.0130.01016.54
7.4.210.0060.00816.46
7.4.200.0080.00016.60
7.4.190.0040.00416.49
7.4.160.0060.01016.31
7.4.150.0070.01017.40
7.4.140.0100.01017.86
7.4.130.0090.01216.33
7.4.120.0080.00816.57
7.4.110.0070.01016.38
7.4.100.0120.00916.55
7.4.90.0060.01116.26
7.4.80.0080.00819.39
7.4.70.0070.01316.36
7.4.60.0100.00616.53
7.4.50.0040.00416.50
7.4.40.0130.00622.77
7.4.30.0070.01016.57
7.4.00.0060.00915.06
7.3.330.0040.00412.87
7.3.320.0030.00312.84
7.3.310.0030.00316.06
7.3.300.0030.00316.03
7.3.290.0070.01316.16
7.3.280.0070.00916.13
7.3.270.0130.00317.40
7.3.260.0110.00718.24
7.3.250.0140.00716.17
7.3.240.0040.01216.43
7.3.230.0100.00716.39
7.3.210.0130.01916.32
7.3.200.0060.01119.39
7.3.190.0000.01816.38
7.3.180.0100.00716.14
7.3.170.0100.00716.37
7.3.160.0100.01016.19
7.3.120.0100.00714.73
7.2.330.0060.01116.55
7.2.320.0100.00616.55
7.2.310.0190.00016.40
7.2.300.0070.01716.52
7.2.290.0030.01316.37
7.2.60.0060.00916.91
7.1.200.0040.01115.58
7.1.70.0070.00016.75
7.1.60.0000.01419.40
7.1.50.0110.01116.88
7.1.00.0070.05022.48
7.0.200.0040.00416.31
7.0.140.0030.07022.21
7.0.100.0130.07319.86
7.0.90.0200.06319.85
7.0.80.0100.07719.94
7.0.70.0000.09019.96
7.0.60.0130.04019.86
7.0.50.0030.08020.18
7.0.40.0000.04320.05
7.0.30.0100.04020.04
7.0.20.0100.04320.05
7.0.10.0100.04319.94
7.0.00.0070.03720.08
5.6.280.0070.06720.77
5.6.250.0100.07720.50
5.6.240.0100.08020.51
5.6.230.0030.08720.69
5.6.220.0170.07020.59
5.6.210.0030.09020.40
5.6.200.0070.04021.04
5.6.190.0030.04020.94
5.6.180.0100.04021.05
5.6.170.0030.04321.00
5.6.160.0030.04020.95
5.6.150.0000.05021.02
5.6.140.0130.05720.97
5.6.130.0130.03320.87
5.6.120.0030.04020.98
5.6.110.0100.03720.98
5.6.100.0030.06320.94
5.6.90.0030.04720.93
5.6.80.0000.04020.43
5.6.70.0030.04020.45
5.6.60.0030.04720.24
5.6.50.0000.04320.28
5.6.40.0070.03320.36
5.6.30.0070.03720.41
5.6.20.0030.04020.30
5.6.10.0130.04020.40
5.6.00.0070.03720.46
5.5.380.0130.06720.29
5.5.370.0100.06720.34
5.5.360.0130.07720.43
5.5.350.0130.07720.42
5.5.340.0070.04320.69
5.5.330.0100.03320.81
5.5.320.0030.04320.67
5.5.310.0030.04020.86
5.5.300.0030.05720.74
5.5.290.0000.04320.67
5.5.280.0030.04020.77
5.5.270.0030.05020.82
5.5.260.0000.04320.57
5.5.250.0000.04320.49
5.5.240.0000.04320.12
5.5.230.0000.04320.20
5.5.220.0030.03320.07
5.5.210.0100.03020.24
5.5.200.0030.03720.13
5.5.190.0070.06320.07
5.5.180.0000.04320.02
5.5.160.0030.05320.18
5.5.150.0030.04720.16
5.5.140.0000.04320.04
5.5.130.0070.05020.21
5.5.120.0070.05320.07
5.5.110.0030.04020.14
5.5.100.0030.03719.99
5.5.90.0070.05320.02
5.5.80.0000.04020.05
5.5.70.0030.04019.98
5.5.60.0070.03320.03
5.5.50.0100.06720.09
5.5.40.0000.08019.99
5.5.30.0130.07319.96
5.5.20.0100.04320.02
5.5.10.0130.07319.92
5.5.00.0030.08020.01
5.4.450.0070.06319.23
5.4.440.0070.04019.42
5.4.430.0030.04019.36
5.4.420.0130.04319.28
5.4.410.0030.03719.32
5.4.400.0030.03719.12
5.4.390.0070.03319.10
5.4.380.0030.03718.98
5.4.370.0070.03718.81
5.4.360.0130.04019.04
5.4.350.0030.06019.03
5.4.340.0030.05319.04
5.4.320.0000.04019.04
5.4.310.0030.04318.96
5.4.300.0000.04019.09
5.4.290.0030.05318.80
5.4.280.0000.04019.14
5.4.270.0070.06018.81
5.4.260.0070.03318.78
5.4.250.0030.03718.89
5.4.240.0070.03718.93
5.4.230.0030.03718.84
5.4.220.0070.07018.78
5.4.210.0100.04718.93
5.4.200.0100.07319.09
5.4.190.0030.05018.84
5.4.180.0030.07719.04
5.4.170.0030.04718.80
5.4.160.0100.06719.02
5.4.150.0030.07718.92
5.4.140.0100.06316.29
5.4.130.0000.06716.29
5.4.120.0030.07716.29
5.4.110.0000.07316.34
5.4.100.0130.06716.36
5.4.90.0030.06016.21
5.4.80.0070.07016.41
5.4.70.0070.07316.20
5.4.60.0100.03716.24
5.4.50.0030.07716.30
5.4.40.0100.06716.25
5.4.30.0070.07016.41
5.4.20.0070.05716.39
5.4.10.0100.07316.23
5.4.00.0100.07015.75
5.3.290.0000.04014.60
5.3.280.0030.04714.58
5.3.270.0070.06714.46
5.3.260.0030.04714.60
5.3.250.0100.05714.43
5.3.240.0100.06714.42
5.3.230.0130.07014.45
5.3.220.0070.07014.47
5.3.210.0130.07014.47
5.3.200.0030.06714.39
5.3.190.0070.07314.54
5.3.180.0030.07314.41
5.3.170.0100.06314.55
5.3.160.0070.07014.52
5.3.150.0100.07014.47
5.3.140.0100.07314.41
5.3.130.0100.07314.53
5.3.120.0130.07014.54
5.3.110.0070.07714.49
5.3.100.0070.07013.99
5.3.90.0100.07013.83
5.3.80.0130.06714.02
5.3.70.0070.04013.87
5.3.60.0070.07313.92
5.3.50.0100.07313.90
5.3.40.0070.06713.93
5.3.30.0130.05013.75
5.3.20.0030.07013.66
5.3.10.0100.06313.63
5.3.00.0030.06013.61
5.2.170.0070.03311.15
5.2.160.0030.06010.98
5.2.150.0030.06010.96
5.2.140.0030.06710.98
5.2.130.0070.06010.94
5.2.120.0070.05710.91
5.2.110.0070.06011.14
5.2.100.0130.05311.16
5.2.90.0100.06010.95
5.2.80.0100.06010.95
5.2.70.0130.05010.94
5.2.60.0030.06711.00
5.2.50.0070.05311.02
5.2.40.0100.05710.79
5.2.30.0130.05711.04
5.2.20.0100.05310.95
5.2.10.0100.05010.91
5.2.00.0030.03710.61
5.1.60.0000.03010.01
5.1.50.0030.04310.01
5.1.40.0030.0539.97
5.1.30.0000.06310.23
5.1.20.0070.03310.26
5.1.10.0130.05010.06
5.1.00.0070.05310.11
5.0.50.0070.0408.52
5.0.40.0100.0308.44
5.0.30.0100.0578.27
5.0.20.0000.0438.03
5.0.10.0070.0378.04
5.0.00.0030.0578.18
4.4.90.0000.0237.45
4.4.80.0000.0377.45
4.4.70.0030.0337.45
4.4.60.0070.0337.45
4.4.50.0030.0337.45
4.4.40.0070.0477.45
4.4.30.0000.0377.45
4.4.20.0030.0337.45
4.4.10.0070.0277.45
4.4.00.0100.0437.45
4.3.110.0070.0337.45
4.3.100.0070.0307.45
4.3.90.0000.0337.45
4.3.80.0030.0507.45
4.3.70.0130.0207.45
4.3.60.0070.0277.45
4.3.50.0030.0307.45
4.3.40.0000.0437.45
4.3.30.0000.0277.45
4.3.20.0000.0307.45
4.3.10.0030.0177.45
4.3.00.0000.0377.45

preferences:
39.77 ms | 400 KiB | 5 Q